%0 Journal Article %A Kallel, Najeh %A Timoumi, Mohsen %T Subharmonic solutions of a nonconvex noncoercive hamiltonian system %J RAIRO - Operations Research - Recherche Opérationnelle %D 2004 %P 27-37 %V 38 %N 1 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ro:2004010/ %R 10.1051/ro:2004010 %G en %F RO_2004__38_1_27_0