Quasi-periodic solutions of nonlinear ordinary differential equations with small damping
1967 ◽
Vol 73
(3)
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pp. 460-465
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2010 ◽
Vol 47
(3)
◽
pp. 573-583
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On the existence of periodic solutions for the third-order nonlinear ordinary differential equations
1999 ◽
Vol 14
(2)
◽
pp. 125-130
◽
1974 ◽
Vol 16
(1)
◽
pp. 186-199
◽
1992 ◽
pp. 463-470
◽
1986 ◽
Vol 34
(2)
◽
pp. 253-265
◽
2000 ◽
Vol 02
(01)
◽
pp. 87-126
◽
1976 ◽
Vol 22
(2)
◽
pp. 467-477
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