@article{1270213886, author = {HAYASHI, Kiyoshi}, title = {Periodic Solution of Classical Hamiltonian Systems}, journal = {Tokyo J. of Math.}, volume = {06}, number = {2}, year = {1983}, pages = { 473-486}, language = {en}, url = {http://dml.mathdoc.fr/item/1270213886} }
HAYASHI, Kiyoshi. Periodic Solution of Classical Hamiltonian Systems. Tokyo J. of Math., Tome 06 (1983) no. 2, pp. 473-486. http://gdmltest.u-ga.fr/item/1270213886/