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@article{DAN_1966_170_2_a4, author = {G. P. Ivanova}, title = {Existence theorems in the calculus of variations}, journal = {Doklady Akademii Nauk}, pages = {253--256}, publisher = {mathdoc}, volume = {170}, number = {2}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_2_a4/} }
G. P. Ivanova. Existence theorems in the calculus of variations. Doklady Akademii Nauk, Tome 170 (1966) no. 2, pp. 253-256. http://geodesic.mathdoc.fr/item/DAN_1966_170_2_a4/