@article{IVM_1975_11_a3,
     author = {V. P. Vazhdaev},
     title = {Extremal problems in classes of functions that are regular in the half-plane},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {33--40},
     publisher = {mathdoc},
     number = {11},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1975_11_a3/}
}