@article{BUMI_1935_1_14_4_a7,
     author = {Obrechkoff, Nikola},
     title = {Sui polinomi univalenti},
     journal = {Bollettino della Unione matematica italiana},
     pages = {246--247},
     publisher = {mathdoc},
     volume = {Ser. 1, 14},
     number = {4},
     year = {1935},
     zbl = {0012.28901},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1935_1_14_4_a7/}
}