%0 Journal Article
%A Szulkin, Andrzej
%T Minimax principles for lower semicontinuous functions and applications to nonlinear boundary value problems
%J Annales de l'I.H.P. Analyse non linéaire
%D 1986
%P 77-109
%V 3
%N 2
%I Gauthier-Villars
%U http://archive.numdam.org/item/AIHPC_1986__3_2_77_0/
%G en
%F AIHPC_1986__3_2_77_0