Conditions for the existence of periodic solutions to integrable two-dimensional Hamiltonian systems
Keyword(s):
2016 ◽
Vol 32
(5)
◽
pp. 621-632
◽
1971 ◽
Vol 10
(2)
◽
pp. 324-335
◽
2010 ◽
Vol 369
(1)
◽
pp. 357-367
◽
Keyword(s):
1997 ◽
Vol 4
(1)
◽
pp. 61-76
◽
Keyword(s):
2015 ◽
Vol 21
(3)
◽
pp. 197-208
◽
Keyword(s):