Existence of periodic solutions of nonlinear systems with nonlinear boundary conditions
1995 ◽
Vol 11
(4)
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pp. 439-445
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1999 ◽
Vol 234
(2)
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pp. 695-716
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2018 ◽
Vol 61
(4)
◽
pp. 768-786
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Keyword(s):
2013 ◽
Vol 404
(1)
◽
pp. 11-28