Exact multiplicity for periodic solutions of a first-order differential equation
2004 ◽
Vol 292
(2)
◽
pp. 415-422
◽
Keyword(s):
Keyword(s):
2007 ◽
Vol 333
(2)
◽
pp. 657-666
2000 ◽
Vol 15
(28)
◽
pp. 4477-4498
◽
Keyword(s):