Periodic solution for a kind of high order differential equations with multiple deviating argument
Keyword(s):
Keyword(s):
Keyword(s):
Keyword(s):
2006 ◽
Vol 73
(2)
◽
pp. 175-182
◽
2012 ◽
Vol 218
(19)
◽
pp. 9974-9979
◽