%0 Journal Article %A Schechter, Martin %A Zou, Wenming %T Weak linking theorems and Schrödinger equations with critical Sobolev exponent %J ESAIM: Control, Optimisation and Calculus of Variations %D 2003 %P 601-619 %V 9 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv:2003029/ %R 10.1051/cocv:2003029 %G en %F COCV_2003__9__601_0