@article{SM_1974_23_1_a7,
     author = {A. A. Gonchar},
     title = {On a~theorem of {Saff}},
     journal = {Sbornik. Mathematics},
     pages = {149--154},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1974},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1974_23_1_a7/}
}