@article{SEDP_1985-1986____A21_0,
     author = {Bahri, A.},
     title = {Critical points at infinity in the variational calculus},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:21},
     pages = {1--31},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1985-1986},
     mrnumber = {874580},
     zbl = {0611.58020},
     language = {en},
     url = {http://www.numdam.org/item/SEDP_1985-1986____A21_0/}
}