Time-dependent Lagrangian systems: a geometric approach using semibasic forms
1990 ◽
Vol 23
(15)
◽
pp. 3475-3482
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2002 ◽
Vol 49
(2-3)
◽
pp. 183-192
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2000 ◽
Vol 33
(28)
◽
pp. 5117-5135
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1991 ◽
Vol 23
(1)
◽
pp. 51-63
◽
2002 ◽
Vol 52
(5)
◽
pp. 1533-1568
◽
2005 ◽
Vol 02
(04)
◽
pp. 597-618
◽
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