@article{COCV_2003__9__601_0,
     author = {Schechter, Martin and Zou, Wenming},
     title = {Weak linking theorems and {Schr\"odinger} equations with critical {Sobolev} exponent},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {601--619},
     publisher = {EDP-Sciences},
     volume = {9},
     year = {2003},
     doi = {10.1051/cocv:2003029},
     mrnumber = {1998717},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2003029/}
}