@article{SM_1978_34_5_a1,
     author = {G. A. Barsegyan},
     title = {On the geometric structure of the image of a~disk under mappings by meromorphic functions},
     journal = {Sbornik. Mathematics},
     pages = {593--601},
     publisher = {mathdoc},
     volume = {34},
     number = {5},
     year = {1978},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1978_34_5_a1/}
}