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@article{DAN_1961_136_5_a5, author = {G. A. Meshcheryakov}, title = {New extremal problems}, journal = {Doklady Akademii Nauk}, pages = {1026--1029}, publisher = {mathdoc}, volume = {136}, number = {5}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_136_5_a5/} }
G. A. Meshcheryakov. New extremal problems. Doklady Akademii Nauk, Tome 136 (1961) no. 5, pp. 1026-1029. http://geodesic.mathdoc.fr/item/DAN_1961_136_5_a5/