Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering
           

IFIN-HH Staff

  1. Home
  2. Community
  3. Staff
  4. Liviu Ixaru

Liviu Ixaru

DFT

3509 / 0214046146

ixaru@nipne.ro

CV Unavailable

Update CV & Publications

Add / Update Photo

80

Scientific Articles

18

Conferences

8

Books

.

Patents

  1. Numerical computation of the coefficients in exponential fitting
    2. L. Gr. Ixaru

    NUMERICAL ALGORITHMS DOI: 10.1007/s11075-020-01000-w Early Access: AUG 2020

  2. The least-squares fit of highly oscillatory functions using Eta-based functions
    3. S. Mashayekhi, L. Gr. Ixaru

    JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 376 (2020) Article Number: 112839

  3. A mathematical investigation on the active substance pulsatory release from a solution-charged liposome
    4. Liviu Gr. Ixaru and Dumitru Popescu

    BIOSYSTEMS 179 (2019) 48-54

  4. Exponential and trigonometrical fittings: user-friendly expressions for the coefficients
    5. L. Gr. Ixaru

    NUMERICAL ALGORITHMS 82 (2019) 1085-1096

  5. Semiclassical unified description of wobbling motion in even-even and even-odd nuclei
    6. A. A. Raduta, R. Poenaru and L. Gr. Ixaru

    PHYSICAL REVIEW C 96 (2017) 054320

  6. Numerical approach of some three-body problems
    7. L. Gr. Ixaru

    Computer Physics Communications 209 (2016) 48-57

  7. Ef-Gaussian direct quadrature methods for Volterra integral equations with periodic solution
    8. A. Cardone, L.Gr. Ixaru, B. Paternoster, G. Santomauro

    Mathematics and Computers in Simulation 110 (2015) 125–143

  8. Exponentially fitted Gauss-Legendre quadrature rules for integrals over an unbounded interval
    9. D. Conte, L. Gr.Ixaru, B. Paternoster, and G. Santomauro

    J. Comput. Appl. Math. 225 (2014) 725-736

  9. Runge-Kutta methods of special form
    10. L. Gr. Ixaru

    Journal of Physics Conference Series 413 (2013) Article number: 012033

  10. Two-proton emission: a numerical approach
    11. L. Gr. Ixaru and D. S. Delion

    Rom. Journ. Phys. 58 (2013) 1396-1407

  11. CONTEXT-DEPENDENT QUADRATURE RULES. A WAY TO IMPROVE THE QUALITY OF SCIENTIFIC CODES
    12. L. Gr. Ixaru

    ROMANIAN JOURNAL OF PHYSICS 57 (2012) 275-287

  12. Runge-Kutta method with equation dependent coefficients
    13. L. Gr. Ixaru

    COMPUTER PHYSICS COMMUNICATIONS 183 (2012) 63-69

  13. Construction of the ef-based Runge-Kutta methods revisited
    14. R. D'Ambrosio, f L. Gr. Ixaru, B. Paternoster

    Comput. Phys. Commun. 182 (2011) 322-329

  14. Exponential fitting Direct Quadrature methods for Volterra integral equations
    15. A. Cardone, L. Gr. Ixaru, B. Paternoster

    NUMERICAL ALGORITHMS 55 (2010) 467-480

  15. METHODS TUNED ON THE PHYSICAL PROBLEM. A WAY TO IMPROVE NUMERICAL CODES
    16. L. Gr. Ixaru

    ROMANIAN JOURNAL OF PHYSICS 55 (2010) 619-630

  16. New numerical method for the eigenvalue problem of the 2D Schrodinger equation
    17. L. Gr. Ixaru

    COMPUTER PHYSICS COMMUNICATIONS 181 (2010) 1738-1742

  17. Some new uses of the eta(m)(Z) functions
    18. D. Conte, E. Esposito, B. Paternoster, L.Gr. Ixaru.

    COMPUTER PHYSICS COMMUNICATIONS 181 (2010) 128-137

  18. Title: Limit cycles in nonlinear excitation of clusters of classical oscillators
    19. E. De Lauro, S.. De Martino, M. Falanga, L. Gr. Ixaru

    COMPUTER PHYSICS COMMUNICATIONS Volume: 180 (2009) 1832-1838

  19. Exactly solvable coupled-channel Schrodinger equation
    20. Ixaru LG

    PHYSICAL REVIEW A Volume: 77 Issue: 6 Article Number: 064102 Published: JUN 2008

  20. Efficient computation of the Airy propagators
    21. Ixaru LG

    Computer Physics Communications, Volume 176 Issue 11-12, Pages 637-641, June 2007

  21. Fast LP method for the Schroedinger equation
    22. Ixaru LG

    Computer Physics Communications Volume 177, Pages 897-907, Dec 15 2007

  22. Fast computation of the Slater integrals
    23. Ixaru LG, Scott NS, Scott MP

    SIAM Journal on Scientific Computation 28 (4) 1252-1274, 2006

  23. Solution of the Schroedinger equation by a high order perturbation method based on a linear reference potential
    24. Ledoux V, Rizea M, Ixaru LG, Vanden Berghe G and Van Daele M

    Computer Physics Communications, Volume 175, Issue 6, Pages 424-439, Sept. 15 2006

  24. Solution of the Schroedinger equation over an infinite integration interval by perturbation methods
    25. Ledoux V, Ixaru LG, Rizea M, Van Daele M and Vanden Berghe G

    Computer Physics Communications, Volume 175, Issue 9, Pages 612-619, Nov.1 2006

  25. Truncation errors in exponential fitting for oscillatory problems
    26. Coleman JP and Ixaru LG

    SIAM Journal on Numerical Analysis Volume 44 Issue 4 Pages 1441-1465 (October 2006)

  26. Function fitting two-step BDF algorithm for ODEs
    27. Ixaru LG and Paternoster B

    Lecture Notes in Computer Science Volume 3039 Pages 443-450 Part 4 2004

  27. Exponentially Fitted Variable Two - Step Bdf Algorithm For First Order Odes
    28. Ixaru, LG; Vanden Berghe, G; De Meyer, H

    Computer Physics Communications, volume 150 issue 2, pp. 116-128, 2003

  28. Extended Quadrature Rules For Oscillatory Integrands
    29. Kim, KJ; Cools, R; Ixaru, LG

    Applied Numerical Mathematics, volume 46 issue 1, pp. 59-73, 2003

  29. Frequency Evaluation in Exponential Fitting Multistep Algorithms For Odes
    30. Ixaru, LG; Vanden Berghe, G; De Meyer, H

    Journal of Computational and Applied Mathematics, volume 140 issue 1-2, pp. 423-434, 2002

  30. Lilix - A Package For the Solution of the Coupled Channel Schroedinger Equation
    31. Ixaru, LG

    Computer Physics Communications, volume 147 issue 3, pp. 834-852, 2002

  31. Quadrature Rules Using First Derivatives For Oscillatory Integrands
    32. Kim, KJ; Cools, R; Ixaru, LG

    Journal of Computational and Applied Mathematics, volume 140 issue 1-2, pp. 479-497, 2002

  32. A Comment On Reliable Operations on Oscillatory Functions
    33. Ixaru, LG

    Computer Physics Communications, volume 134 issue 2, pp. 267-268, 2001

  33. A Gauss Quadrature Rule For Oscillatory Integrands
    34. Ixaru, LG; Paternoster, B

    Computer Physics Communications, volume 133 issue 2-3, pp. 177-188, 2001

  34. Frequency Determination and Step - Length Control For Exponentially - Fitted Runge - Kutta Methods
    35. Berghe, GV; Ixaru, LG; De Meyer, H

    Journal of Computational and Applied Mathematics, volume 132 issue 1, pp. 95-105, 2001

  35. Numerical Operations On Oscillatory Functions
    36. Ixaru, LG

    Computers & Chemistry, volume 25 issue 1, pp. 39-53, 2001

  36. Optimal Implicit Exponentially - Fitted Runge - Kutta Methods
    37. Berghe, GV; Ixaru, LG; Van Daele, M

    Computer Physics Communications, volume 140 issue 3, pp. 346-357, 2001

  37. Weights of the Exponential Fitting Multistep Algorithms For First - Order Odes
    38. Ixaru, LG; Rizea, M; Berghe, GV; De Meyer, H

    Journal of Computational and Applied Mathematics, volume 132 issue 1, pp. 83-93, 2001

  38. Cp Methods for the Schroedinger Equation
    39. Ixaru, LG

    Journal of Computational and Applied Mathematics, volume 125 issue 1-2, pp. 347-357, 2000

  39. Highly Accurate Eigenvalues For the Distorted Coulomb Potential
    40. Ixaru, LG; De Meyer, H; Vanden Berghe, G

    Physical Review E, volume 61 issue 3, pp. 3151-3159, 2000

  40. A Conditionally P - Stable Fourth - Order Exponential - Fitting Method For Y prime = F(x, Y)
    41. Ixaru, LG; Paternoster, B

    Journal of Computational and Applied Mathematics, volume 106 issue 1, pp. 87-98, 1999

  41. Proton Emitters Ho - 140 and Ho - 141: Probing the Structure of Unbound Nilsson Orbitals
    42. Rykaczewski, K; Batchelder, JC; Bingham, CR; Davinson, T; Ginter, TN; Gross, CJ; Grzywacz, R; Karny, M; Macdonald, BD; Mas, JF; Mcconnell, JW; Piechaczek, A; Slinger, RC; Toth, KS; Walters, WB; Woods, PJ; Zganjar, EF; Barmore, B; Ixaru, LG; Kruppa, AT; Nazarewicz, W; Rizea, M; Vertse, T

    Physical Review C, volume 6001 issue 1, pp. 011301, 1999

  42. Slcpm12 - A Program For Solving Regular Sturm - Liouville Problems
    43. Ixaru, LG; De Meyer, H; Vanden Berghe, G

    Computer Physics Communications, volume 118 issue 2-3, pp. 259-277, 1999

  43. Cp Methods For the Schroedinger Equation Revisited
    44. Ixaru, LG; De Meyer, H; Vanden Berghe, G

    Journal of Computational and Applied Mathematics, volume 88 issue 2, pp. 289-314, 1998

  44. Exponential - Fitted Four - Step Methods For Y prime =f(x,y)
    45. Van Daele, M; Vanden Berghe, G; De Meyer, H; Ixaru, LG

    International Journal of Computer Mathematics, volume 66 issue 3-4, pp. 299-309, 1998

  45. Expfit4 - A Fortran Program For the Numerical Solution of Systems of Nonlinear Second - Order Initial - Value Problems
    46. Ixaru, LG; Demeyer, H; Vandenberghe, G; Vandaele, M

    Computer Physics Communications, volume 100 issue 1-2, pp. 71-80, 1997

  46. Four - Step Exponential - Fitted Methods For Nonlinear Physical Problems
    47. Ixaru, LG; Vandenberghe, G; Demeyer, H; Vandaele, M

    Computer Physics Communications, volume 100 issue 1-2, pp. 56-70, 1997

  47. Four Step Methods For Y second=f(x,y)
    48. Ixaru, LG; Rizea, M

    Journal of Computational and Applied Mathematics, volume 79 issue 1, pp. 87-99, 1997

  48. Operations On Oscillatory Functions
    49. Ixaru, LG

    Computer Physics Communications, volume 105 issue 1, pp. 1-19, 1997

  49. A Regularization Procedure For Sigma(n)(i=1)f(i)(z(j))x(i)=g(z(j)), (j=1,2 ..., N)
    50. Ixaru, LG; Demeyer, H; Vandenberghe, G; Vandaele, M

    Numerical Linear Algebra With Applications, volume 3 issue 1, pp. 81-90, 1996

  50. P - Stability and Exponential - Fitting Methods For Y second=f(x, Y)
    51. Coleman, JP; Ixaru, LG

    IMA Journal of Numerical Analysis, volume 16 issue 2, pp. 179-199, 1996

  51. Piecewise Perturbation - Methods For Calculating Eigensolutions of A Complex Optical - Potential
    52. Ixaru, LG; Rizea, M; Vertse, T

    Computer Physics Communications, volume 85 issue 2, pp. 217-230, 1995

  52. Title: NONPERTURBATIVE PAIR PRODUCTION BY A DIRAC SQUARE-WELL WITH TIME-DEPENDENT DEPTH
    53. MAIER TJ, DREIZLER RM, IXARU LG

    Phys. Rev. A (1993) 48 2031-2039

  53. E+E- PAIR RESONANT PRODUCTION IN HEAVY-ION COLLISIONS - A THEORETICAL SCENARIO
    54. IXARU LG

    Rev. Roum. Phys. 33 (1988) 1093-1104

  54. Coleman Method Maximally Adapted to the Schroedinger Equation
    55. Ixaru, LG; Berceanu, S

    Computer Physics Communications, volume 44 issue 1-2, pp. 11-20, 1987

  55. Numerov Method Maximally Adapted to the Schroedinger Equation
    56. Ixaru, LG; Rizea, M

    Journal of Computational Physics, volume 73 issue 2, pp. 306-324, 1987

  56. The Numerov Method and Singular Potentials
    57. Ixaru, LG

    Journal of Computational Physics, volume 72 issue 1, pp. 270-274, 1987

  57. Comparison of Some 4 - Step Methods For the Numerical - Solution of the Schroedinger Equation
    58. Ixaru, LG; Rizea, M

    Computer Physics Communications, volume 38 issue 3, pp. 329-337, 1985

  58. Title: ON THE QUANTUM-MECHANICS COMPUTATIONS IN THE ADIABATIC REPRESENTATION
    59. IXARU LG

    Rev. Roum. Phys. 30 (1985) 635-646

  59. SIMPLE PROCEDURE TO COMPUTE ACCURATE ENERGY-LEVELS OF AN ANHARMONIC-OSCILLATOR
    60. IXARU LG

    Phys. Rev. D 25 (1982) 1557-1564

  60. A Highly Convergent Perturbative Method For the Solution of Systems of Coupled Equations Arising From the Schroedinger Equation
    61. Ixaru, LG

    Journal of Computational Physics, volume 36 issue 2, pp. 182-197, 1980

  61. A Numerov - Like Scheme For the Numerical - Solution of the Schroedinger - Equation in the Deep Continuum Spectrum of Energies
    62. Ixaru, LG; Rizea, M

    Computer Physics Communications, volume 19 issue 1, pp. 23-27, 1980

  62. CHOOSING STEP SIZES FOR PERTURBATIVE METHODS OF SOLVING THE SCHRODINGER-EQUATION Author(s): IXARU LG, CRISTU MI, POPA MS Source:

    63. J. Comput. Phys. 36 (1980) 170-181

  63. PERTURBATIVE NUMERICAL-METHODS TO SOLVE THE SCHRODINGER-EQUATION
    64. IXARU LG

    Comput. Phys. Commun. 20 (1980) 97-112

  64. 2ND ORDER PERTURBATIVE NUMERICAL-METHOD FOR THE SOLUTION OF THE RADIAL SCHRODINGER-EQUATION
    65. IXARU LG, ADAM G

    Rev. Roum. Phys. 24 (1979) 723-742

  65. On the perturbative numerical approach to the Schroedinger equation with singular potential
    66. Ixaru, LG; Micu, M

    TOPICS IN THEORETICAL PHYSICS (a volume dedicated to Prof. S. Titeica), Bucharest, pp. 259-276, 1978

  66. SHORT-RANGE CORRELATION ENERGY OF ELECTRON-GAS
    67. APOSTOL M, IXARU LG, STANICA N

    Rev. Roum. Phys. 22 (1977) 489-501

  67. 1ST ORDER PERTURBATIVE NUMERICAL-METHOD FOR SOLUTION OF RADIAL SCHRODINGER EQUATION
    68. ADAM G, IXARU LG, CORCIOVEI A

    J. Comput. Phys. 22 (1976) : 1-33

  68. INTERPOLATION SCHEME FOR NUMERICAL-SOLUTION OF ONE-DIMENSIONAL SCHRODINGER EQUATION
    69. ADAM G, IXARU LG

    Rev. Roum. Phys. 21 (1976) 187-197

  69. SHORT-RANGE CORRELATION ENERGY IN A 2-DIMENSIONAL ELECTRON-GAS
    70. APOSTOL M, IXARU LG

    Rev. Roum. Phys. 20 (1975) 645-651

  70. ZEROTH ORDER APPROXIMATION OF A STEP FUNCTION PERTURBATIVE NUMERICAL-METHOD FOR SOLUTION OF SCHRODINGER EQUATION
    71. ADAM G, IXARU LG

    Rev. Roum. Phys. 20 (1975) 17-28

  71. A new method for solving inhomogeneous second order differential equations
    72. Ixaru L. Gr.

    Rev.Roum.Math. 19 (1974) 199-203

  72. Semianalytical treatment of neutron slowing-down
    73. Cuculeanu V., Ixaru L. Gr.

    Rev.Roum.Phys. 18 (1974) 199-203

  73. On the solution of the Schroedinger equation by a unified algebraic method
    74. Ixaru L. Gr.

    Rev.Roum. Phys. 17 (1972) 7-20

  74. The error analysis of the algebraic method to solve the Schroedinger equation
    75. Ixaru L. Gr.

    J. Comput. Phys. 9 (1972) 159-163

  75. Investigations on the external problem of alpha decay
    76. Ixaru L. Gr.

    Canadian J. Phys. 49 (1971) 2947-2962

  76. On the theoretical absolute alpha decay rates
    77. Ixaru L. Gr., Adam Gh.

    Phys. Letters 35B (1971) 406-414

  77. The acuracy of the JWKB method in alpha decay
    78. Ixaru L. Gr., Kreuzer H.-J.

    Energia Nucleare 17 (1970) 62-64

  78. Grouplets of Bogoliubov - Valatin Canonical Transformations
    79. Ixaru, L

    Studii Si Cercetari De Fizica, volume 20 issue 4, pp. 367, 1968

  79. On the highest penetrability of Coulomb barrier in alpha decay
    80. Ixaru L. Gr.

    Rev.Roum.Phys. 6 (1967) 589-602

  80. Intensified tunnel effect for alpha particles
    81. Ixaru L. Gr.

    Rev.Roum.Phys. 5 (1966) 385-398

  1. User-friendly expressions of the coefficients of some exponentially fitted methods
    2. Dajana Conte, R. D Ambrosio, G. Giordano, L. Gr. Ixaru, and B. Paternoster

    20th International Conference on Computational Science and its Applications (ICCSA2020) , Cagliari, Italy, July 1-4, 2020 (2020)

  2. User - friendly expression s for the coefficients in exponential fitting
    3. L. Gr. Ixaru

    International Conference on Advanced Scientific Computing, ICASC 2019, Sinaia, Romania, September 12-14 2019 (2019)

  3. A biophysical problem: computational difficulties and their solution
    4. L. Gr. Ixaru

    4th International Conference on Physics, Berlin, September 17-18, 2018 (2018)

  4. Runge-Kutta methods of special type
    5. L. Gr. Ixaru

    Grid, Cloud, and High-Performance Compution in Science (RO-LCG 2017) Sinaia, Romania 26-29 Oct. 2017 (2017)

  5. CP and EF Methods for the Schrodinger Equation. A Comparison
    6. L. Gr. Ixaru

    NUMERICAL ANALYSIS AND APPLIED MATHEMATICS (ICNAAM 2012), VOLS A AND B Book Series: AIP Conference Proceedings Volume: 1479 Pages: 1189-1192 DOI: 10.1063/1.4756363 Published: 2012 (2012)

  6. Runge-Kutta methods of special form
    7. L. Gr. Ixaru

    International Summer School for Advanced Studies on Dynamics of open nuclear systems (Predeal12), Predeal, Romania, July 9-20, 2012 (2012)

  7. A Family of Exponential Fitting Direct Quadrature Methods for Volterra Integral Equations
    8. A. Cardone, M. Ferro, L. Gr. Ixaru and B. Paternoster

    ICNAAM 2010: International Conference of Numerical Analysis and Applied Mathematics, Rhodes, Greece, September 19-25, 2010 (2010)

  8. High performance computation: numerical music or numerical noise?
    9. L. Gr. Ixaru, C. Denis, F. Jezequel, J.-M. Chesneaux, N. S. Scott and M. P. Scott

    Numerical Approach of Oscillatory Functions, Gent, 16-18 Ian.2008 (2008)

  9. Noi perspective in domeniul operatiilor asupra functiilor oscilatorii
    10. L. Gr. Ixaru

    'Workshop Fizica computationala si modelarea fenomenelor complexe, Timisoara,29-30 Mai 2008 (2008)

  10. Numerical methods for the Schrodinger equation
    11. L. Gr. Ixaru

    Conference dedicated to the centenary of Serban Titeica, Busteni 10-13 Iunie 2008 (2008)

  11. Special techniques related to the CP methods for the coupled channel Schroedinger equation
    12. L. Gr. Ixaru

    workshop ''Numerical Approach of Oscillatory Functions'', Gent, 16-18 Ian.2008 (2008)

  12. Special techniques related to the CP methods for the coupled channel Schroedinger equation
    13. L. Gr. Ixaru

    workshop ''Numerical Approach of Oscillatory Functions'', Gent, 16-18 Ian.2008 (2008)

  13. The use of PPM in complex energy nuclear structure calculations
    14. T. Vertse, L. Gr. Ixaru and M. Rizea

    Numerical Approach of Oscillatory Functions', Gent, 16-18 Ian.2008 (2008)

  14. 2DRMP: fast computation of the Slater integrals
    15. Scott NS, Scott MP, Ixaru LG and Denis C

    Mathematical and computational methods in R-matrix theory (CCCP2) Daresbury 2007 (2007)

  15. Exponential Fitting - a tool for numerical operations on oscillatory functions
    16. L. Gr. Ixaru

    International Conference 'Trends and Challenges in Applied Mathematics' - ICTCAM 2007, Bucharest, Romania, 20-23 June 2007; ICTCAM 2007 Conference Proceedings (G. Paltineanu, ed.), 70-76, 2007 (2007)

  16. Short survey on the exponential fitting
    17. Ixaru LG

    International Conference on Scientific Computation and Differential Equations (SCICADE 2007), Saint Malo (France) ,9 -13 July 2007 (invited talk) (2007)

  17. High performance computation and numerical validation of e-collisions software
    18. Scott NS, Ixaru LG, Denis C, Jezequel F, Chesneaux J.-M, and Scott MP

    International Conference of Computational Methods in Science and Engineering 2006 (ICCMSE 2006), Chania (Greece) 27 Oct.- 1Nov. 2006 (2006)

  18. Lagrange-like error formula in exponential fitting
    19. Ixaru LG

    International conference of Computational Methods in Sciewnces and Engineering 2006 (ICCMSE 2006), Chania (Greece) 27 October- 1November 2006 (invited talk) (2006)

  1. A Family of Exponential Fitting Direct Quadrature Methods for Volterra Integral Equations, in AIP Conference Proceedings, ICNAAM 2010: International Conference of Numerical Analysis and Applied Mathematics 2010, Vol. 1281 Eds: T.E. Simos, G. Psihoyios, Ch. Tsitouras, (Brill Academic ISBN: 978-0-7354-0834-0), 2010, pp. 2204-2207
    2. A. Cardone, M. Ferro, L. Gr. Ixaru and B. Paternoster

    2010

  2. Brief survey on the CP methods for the Schrodinger Equation, Chapter 7 in Recent Advances in Computational and Applied Mathematics, (T. E. Simos, ed.), Springer, Dordrecht, 2011, pp. 159-168
    3. L. Gr. Ixaru

    2010

  3. High performance computation and numerical validation of e-collision software, in Lecture Series in Computer and Computational Sciences, vol.6, Eds. G. Maroulis and T. Simos (Brill NV, Leiden, The Netherlands) 2006, pp.561-570
    4. Scott NS, Ixaru LG, Denis C, Jezequel F, Chesneaux J.-M and Scott MP

    2006

  4. Lagrange-like error formula in exponential fitting, in Lecture Series in Computer and Computational Sciences, Vol.6, Eds. G. Maroulis and T. Simos (Brill NV, Leiden, The Netherlands) 2006, pp.381-386
    5. Ixaru LG

    2006

  5. EXPONENTIAL FITTING, Kluwer, Boston--Dordrecht--London, 2004
    6. Ixaru, LG; Vanden Berghe, G,

    2004

  6. NUMERICAL METHODS FOR DIFFERENTIAL EQUATIONS AND APPLICATIONS, Reidel, Dordrecht--Boston--Lancaster, 1984
    7. Ixaru, LG

    1984

  7. Ordinary Differential Equations, in Formulae and methods in experimental Data Evaluation, Vol.3, eds. R.K. Bock et al., European Physical Society, Geneve 1984, pp. P1-P28
    8. L. Gr. Ixaru

    1984

  8. Metode numerice pentru ecuatii diferentiale si aplicatii, Editura Academiei, Bucuresti, 1979,
    9. Liviu Gr. Ixaru

    1979

© Copyright 2021. All Rights Reserved. Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH)