%0 Journal Article
%A Benci, V.
%T Closed geodesics for the Jacobi metric and periodic solutions of prescribed energy of natural hamiltonian systems
%J Annales de l'I.H.P. Analyse non linéaire
%D 1984
%P 401-412
%V 1
%N 5
%I Gauthier-Villars
%U http://www.numdam.org/item/AIHPC_1984__1_5_401_0/
%G en
%F AIHPC_1984__1_5_401_0