The center problem and the composition condition for a family of quartic differential systems
2019 ◽
Vol 267
(11)
◽
pp. 6409-6446
◽
2016 ◽
Vol 34
(2)
◽
pp. 210-222
◽
Keyword(s):
2015 ◽
Vol 251
◽
pp. 180-191
◽
Keyword(s):
Keyword(s):
2016 ◽
Vol 1
(1)
◽
pp. 79-86
◽
Keyword(s):
2016 ◽
Vol 73
◽
pp. 250-267
◽
2009 ◽
Vol 19
(01)
◽
pp. 435-443
◽
Keyword(s):