@article{1183522232, author = {Pitcher, Everett}, title = {Inequalities of critical point theory}, journal = {Bull. Amer. Math. Soc.}, volume = {64}, number = {6}, year = {1958}, pages = { 1-30}, language = {en}, url = {http://dml.mathdoc.fr/item/1183522232} }
Pitcher, Everett. Inequalities of critical point theory. Bull. Amer. Math. Soc., Tome 64 (1958) no. 6, pp. 1-30. http://gdmltest.u-ga.fr/item/1183522232/