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@article{DAN_1969_189_2_a9, author = {A. I. Sotskov}, title = {Necessary conditions of the minimum for a certain type of non-smooth problems}, journal = {Doklady Akademii Nauk}, pages = {261--264}, publisher = {mathdoc}, volume = {189}, number = {2}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_2_a9/} }
A. I. Sotskov. Necessary conditions of the minimum for a certain type of non-smooth problems. Doklady Akademii Nauk, Tome 189 (1969) no. 2, pp. 261-264. http://geodesic.mathdoc.fr/item/DAN_1969_189_2_a9/