[1] Moses H. E., Tuan S. F.: Nuovo eimento 13 (1959), 197.
Zbl 0088.23105
[3] Blažek M.: Czech. J. Phys. B 12 (1962), 249.
MR 0136321
[6] Barut A. O., Ruci K. H.: J. Math. Phys. 2 (1961), 181.
[7] Lánik J.: Czech. J. Phys. B 14 (1964), 667.
MR 0183311
[8| Blažek M.: Czech. J. Phys. B 12 (1962), 258.
MR 0141389
[10] Massey H. S. W.: Theory of Atomic Collisions. Handb. d. Physik 36, Berlin 1956.
[11] Morse P. M., Feshbach H.: Methods of Theoretical Physics II. New Yoгk 1953.