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@article{DAN_1986_290_5_a0, author = {V. F. Babenko}, title = {Extremal problems in approximation theory and inequalities for}, journal = {Doklady Akademii Nauk}, pages = {1033--1036}, publisher = {mathdoc}, volume = {290}, number = {5}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_290_5_a0/} }
V. F. Babenko. Extremal problems in approximation theory and inequalities for. Doklady Akademii Nauk, Tome 290 (1986) no. 5, pp. 1033-1036. http://geodesic.mathdoc.fr/item/DAN_1986_290_5_a0/