@article{1102993840, author = {S\'anchez, David A.}, title = {Some existence theorems in the calculus of variations.}, journal = {Pacific J. Math.}, volume = {19}, number = {3}, year = {1966}, pages = { 357-363}, language = {en}, url = {http://dml.mathdoc.fr/item/1102993840} }
Sánchez, David A. Some existence theorems in the calculus of variations.. Pacific J. Math., Tome 19 (1966) no. 3, pp. 357-363. http://gdmltest.u-ga.fr/item/1102993840/