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@article{DAN_1976_228_4_a0, author = {V. A. Andreev}, title = {Extremal problems for a class of bounded analytic functions in the disc}, journal = {Doklady Akademii Nauk}, pages = {769--771}, publisher = {mathdoc}, volume = {228}, number = {4}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_228_4_a0/} }
V. A. Andreev. Extremal problems for a class of bounded analytic functions in the disc. Doklady Akademii Nauk, Tome 228 (1976) no. 4, pp. 769-771. http://geodesic.mathdoc.fr/item/DAN_1976_228_4_a0/