New conditions on homoclinic solutions for a subquadratic second order Hamiltonian system
2015 ◽
Vol 289
(1)
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pp. 116-127
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2019 ◽
Vol 12
(7)
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pp. 2163-2175
2011 ◽
Vol 1
(5)
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pp. 54-59
1998 ◽
Vol 13
(3)
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pp. 251-262
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