@article{DAN_1967_176_5_a14,
     author = {V. M. Terpigoreva},
     title = {Extremal problems for certain classes of analytic functions with bounded mean modulus},
     journal = {Doklady Akademii Nauk},
     pages = {1027--1030},
     publisher = {mathdoc},
     volume = {176},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_5_a14/}
}