@article{urn:eudml:doc:38289, title = {Periodic solutions of hamiltonians systems with strong resonance at infinity.}, journal = {Extracta Mathematicae}, volume = {4}, year = {1989}, pages = {33-35}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38289} }
Arcoya, D. Periodic solutions of hamiltonians systems with strong resonance at infinity.. Extracta Mathematicae, Tome 4 (1989) pp. 33-35. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38289/