Conditionally periodic solutions of the canonical systems of differential equations in non-autonomous resonant case
1965 ◽
Vol 12
(2)
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pp. 306-315
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1960 ◽
Vol 24
(4)
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pp. 1105-1118
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2004 ◽
Vol 68
(2)
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pp. 183-198
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2001 ◽
Vol 44
(9)
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pp. 1156-1161
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2020 ◽
Vol 7 (65)
(2)
◽
pp. 297-308
1982 ◽
Vol 5
(2)
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pp. 305-309
1955 ◽
Vol 8
(3)
◽
pp. 409-436
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