@article{DAN_1963_148_3_a6,
     author = {A. N. Kochetkov},
     title = {Extremal problems for analytic functions with positive real parts, satisfying some additional conditions},
     journal = {Doklady Akademii Nauk},
     pages = {508--511},
     publisher = {mathdoc},
     volume = {148},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_148_3_a6/}
}