@article{IVM_1977_7_a7,
     author = {M. F. Kotsur},
     title = {Bounds of starlikeness and convexity for certain special classes of analytic functions in the disc},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {57--60},
     publisher = {mathdoc},
     number = {7},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_7_a7/}
}