On the Separation of Variables for the Laplace Equation $\Delta \psi + K^2 \psi = 0$ in Two- and Three-Dimensional Minkowski Space
1975 ◽
Vol 6
(2)
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pp. 340-374
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Keyword(s):
2016 ◽
Vol 15
(2)
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pp. 155-169
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Keyword(s):
2017 ◽
Vol 14
(05)
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pp. 1750069