%0 Journal Article
%A Ghoussoub, N.
%A Preiss, D.
%T A general mountain pass principle for locating and classifying critical points
%J Annales de l'I.H.P. Analyse non linéaire
%D 1989
%P 321-330
%V 6
%N 5
%I Gauthier-Villars
%U http://www.numdam.org/item/AIHPC_1989__6_5_321_0/
%G en
%F AIHPC_1989__6_5_321_0