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@article{DAN_1987_292_6_a3, author = {S. L. Krushkal'}, title = {A new approach to variational problems of the theory of}, journal = {Doklady Akademii Nauk}, pages = {1297--1300}, publisher = {mathdoc}, volume = {292}, number = {6}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_292_6_a3/} }
S. L. Krushkal'. A new approach to variational problems of the theory of. Doklady Akademii Nauk, Tome 292 (1987) no. 6, pp. 1297-1300. http://geodesic.mathdoc.fr/item/DAN_1987_292_6_a3/