Periodic solutions of Lagrangian systems on a compact manifold
1986 ◽
Vol 63
(2)
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pp. 135-161
◽
1994 ◽
Vol 108
(1)
◽
pp. 170-189
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Keyword(s):
2009 ◽
Vol 11
(02)
◽
pp. 309-335
◽
Keyword(s):
1991 ◽
Vol 12
(1)
◽
pp. 37-60
◽
1987 ◽
Vol 124
(2)
◽
pp. 482-494
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