Estimation for number of almost periodic solutions of first-order ordinary differential equations
1977 ◽
Vol 61
(3)
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pp. 620-632
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1966 ◽
Vol 2
(3)
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pp. 305-319
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1974 ◽
Vol 17
(3)
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pp. 332-344
2017 ◽
Vol 19
(4)
◽
pp. 2397-2416
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1955 ◽
Vol 05
(3)
◽
pp. 362-370
◽
2012 ◽
Vol 140
(8)
◽
pp. 2825-2834
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