Horseshoes in Two-Degree-of-Freedom Hamiltonian Systems with Saddle-Centers
2000 ◽
Vol 154
(4)
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pp. 275-296
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2020 ◽
Vol 5
(45)
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pp. 1684
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1971 ◽
Vol 6
(5)
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pp. 563-568
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2011 ◽
Vol 29
(1)
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pp. 387-402
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2008 ◽
Vol 338
(2)
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pp. 793-802
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1995 ◽
Vol 125
(5)
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pp. 959-974
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2011 ◽
Vol 131
(7)
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pp. 967-973
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