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@article{DAN_1981_257_4_a11, author = {A. G. Kusraev}, title = {On a general method of subdifferentiation}, journal = {Doklady Akademii Nauk}, pages = {822--826}, publisher = {mathdoc}, volume = {257}, number = {4}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_4_a11/} }
A. G. Kusraev. On a general method of subdifferentiation. Doklady Akademii Nauk, Tome 257 (1981) no. 4, pp. 822-826. http://geodesic.mathdoc.fr/item/DAN_1981_257_4_a11/