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@article{MZM_1970_7_1_a6, author = {A. N. Kochetkov}, title = {Extremal problems for bounded analytic functions with supplementary conditions}, journal = {Matemati\v{c}eskie zametki}, pages = {63--68}, publisher = {mathdoc}, volume = {7}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1970_7_1_a6/} }
A. N. Kochetkov. Extremal problems for bounded analytic functions with supplementary conditions. Matematičeskie zametki, Tome 7 (1970) no. 1, pp. 63-68. http://geodesic.mathdoc.fr/item/MZM_1970_7_1_a6/