@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/}
}