@article{1077490481, author = {McShane, E. J.}, title = {Some existence theorems for problems in the calculus of variations}, journal = {Duke Math. J.}, volume = {4}, number = {1}, year = {1938}, pages = { 132-156}, language = {en}, url = {http://dml.mathdoc.fr/item/1077490481} }
McShane, E. J. Some existence theorems for problems in the calculus of variations. Duke Math. J., Tome 4 (1938) no. 1, pp. 132-156. http://gdmltest.u-ga.fr/item/1077490481/