Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{IM_1979__52_142650, author = {Vieri Benci and Paul H. Rabinowitz}, title = {Critical {Point} {Theorems} for {Indefinite} {Functionals.}}, journal = {Inventiones mathematicae}, pages = {241--274}, publisher = {mathdoc}, volume = {52}, year = {1979}, zbl = {0465.49006}, url = {http://geodesic.mathdoc.fr/item/IM_1979__52_142650/} }
Vieri Benci; Paul H. Rabinowitz. Critical Point Theorems for Indefinite Functionals.. Inventiones mathematicae, Tome 52 (1979), pp. 241-274. http://geodesic.mathdoc.fr/item/IM_1979__52_142650/