Almost-periodic solution to nonlinear wave equations
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1978 ◽
Vol 30
(3)
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pp. 375-394
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1996 ◽
Vol 08
(07)
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pp. 1001-1039
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2005 ◽
Vol 4
(3)
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pp. 487-498
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2017 ◽
Vol 40
(16)
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pp. 6007-6034
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