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@article{AIHPC_1985__2_6_407_0, author = {Hofer, Helmut}, title = {Lagrangian embeddings and critical point theory}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {407--462}, publisher = {Gauthier-Villars}, volume = {2}, number = {6}, year = {1985}, mrnumber = {831040}, zbl = {0591.58009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AIHPC_1985__2_6_407_0/} }
Hofer, Helmut. Lagrangian embeddings and critical point theory. Annales de l'I.H.P. Analyse non linéaire, Tome 2 (1985) no. 6, pp. 407-462. http://geodesic.mathdoc.fr/item/AIHPC_1985__2_6_407_0/