Semiclassical hyperspherical matrix elements for helium doubly excited states
1994 ◽
Vol 27
(10)
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pp. 1925-1937
1997 ◽
Vol 30
(16)
◽
pp. 3597-3609
◽
1998 ◽
Vol 69
(1)
◽
pp. 101-124
◽
1992 ◽
Vol 96
(4)
◽
pp. 1630-1640
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