New exact solutions of the Dirac equation. IX
Keyword(s):
2001 ◽
Vol 287
(5-6)
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pp. 321-324
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2000 ◽
Vol 23
(9)
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pp. 769-776
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2013 ◽
Vol 10
(9)
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pp. 095301
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1989 ◽
Vol 30
(10)
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pp. 2373-2381
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