High-Order Perturbation Theory for the Bound States of an Electron in a Screened Coulomb Potential
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1997 ◽
Vol 138
(2)
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pp. 788-800
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1972 ◽
Vol 56
(1)
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pp. 586-591
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1993 ◽
Vol 203
(5-6)
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pp. 457-464
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1979 ◽
Vol 43
(20)
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pp. 1498-1501
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