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@article{DAN_1996_350_3_a4, author = {E. S. Polovinkin}, title = {On convex and strongly convex approximations of sets}, journal = {Doklady Akademii Nauk}, pages = {308--311}, publisher = {mathdoc}, volume = {350}, number = {3}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1996_350_3_a4/} }
E. S. Polovinkin. On convex and strongly convex approximations of sets. Doklady Akademii Nauk, Tome 350 (1996) no. 3, pp. 308-311. http://geodesic.mathdoc.fr/item/DAN_1996_350_3_a4/