The perturbed ladder operator method-analytical determination of the generalised central field energies and wavefunctions
1978 ◽
Vol 11
(3)
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pp. 467-483
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2017 ◽
Vol 1
(1)
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pp. 127-135
2015 ◽
Vol 8
(2)
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pp. 186
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1991 ◽
Vol 41
(5)
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pp. 937-946
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