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@article{DAN_1969_188_2_a5, author = {Yu. P. Krivenkov}, title = {A certain form of optimality conditions}, journal = {Doklady Akademii Nauk}, pages = {278--281}, publisher = {mathdoc}, volume = {188}, number = {2}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_188_2_a5/} }
Yu. P. Krivenkov. A certain form of optimality conditions. Doklady Akademii Nauk, Tome 188 (1969) no. 2, pp. 278-281. http://geodesic.mathdoc.fr/item/DAN_1969_188_2_a5/