%0 Journal Article
%A Tanaka, Kazunaga
%T Periodic solutions for singular hamiltonian systems and closed geodesics on non-compact riemannian manifolds
%J Annales de l'I.H.P. Analyse non linéaire
%D 2000
%P 1-33
%V 17
%N 1
%I Gauthier-Villars
%U http://archive.numdam.org/item/AIHPC_2000__17_1_1_0/
%G en
%F AIHPC_2000__17_1_1_0