Analytic nilpotent centers with analytic first integral
1998 ◽
Vol 8
(1)
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pp. 272-273
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1998 ◽
Vol 18
(6)
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pp. 1527-1544
Keyword(s):
1981 ◽
Vol 28
(10)
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pp. 1261-1262
2009 ◽
Vol 31
(1)
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pp. 245-258
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2012 ◽
Vol 23
(5)
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pp. 555-562
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1997 ◽
Vol 31
(1)
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pp. 3-9
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2011 ◽
Vol 21
(05)
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pp. 1383-1392
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