@article{1183425305, author = {Bliss, Gilbert Ames}, title = {Some recent developments in the calculus of variations}, journal = {Bull. Amer. Math. Soc.}, volume = {27}, number = {3}, year = {1920}, pages = { 343-361}, language = {en}, url = {http://dml.mathdoc.fr/item/1183425305} }
Bliss, Gilbert Ames. Some recent developments in the calculus of variations. Bull. Amer. Math. Soc., Tome 27 (1920) no. 3, pp. 343-361. http://gdmltest.u-ga.fr/item/1183425305/