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@article{DAN_1988_298_5_a5, author = {L. D. Kudryavtsev}, title = {Existence and uniqueness of solutions of variational problems}, journal = {Doklady Akademii Nauk}, pages = {1055--1060}, publisher = {mathdoc}, volume = {298}, number = {5}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_298_5_a5/} }
L. D. Kudryavtsev. Existence and uniqueness of solutions of variational problems. Doklady Akademii Nauk, Tome 298 (1988) no. 5, pp. 1055-1060. http://geodesic.mathdoc.fr/item/DAN_1988_298_5_a5/