Quadratic Hamiltonians
Keyword(s):
Keyword(s):
1981 ◽
Vol 22
(6)
◽
pp. 1224-1228
◽
1995 ◽
Vol 22
(4)
◽
pp. 313-317
◽
1975 ◽
Vol 16
(6)
◽
pp. 1352-1357
◽
1984 ◽
Vol 60
(3)
◽
pp. 907-913
◽
1988 ◽
Vol 27
(9)
◽
pp. 1043-1058
1997 ◽
Vol 108
(4)
◽
pp. 350-364
◽