Quantization of Non-Integrable Systems; the Hydrogen Atom in a Magnetic Field
1986 ◽
pp. 193-198
2006 ◽
Vol 15
(06)
◽
pp. 1263-1271
◽
1993 ◽
Vol 26
(10)
◽
pp. 1599-1604
◽
1998 ◽
Vol 31
(1)
◽
pp. 49-63
◽
Keyword(s):
1988 ◽
Vol 21
(13)
◽
pp. 2407-2424
◽
Keyword(s):