@article{SM_1977_31_3_a0,
     author = {V. I. Belyi},
     title = {Conformal mappings and the approximation of analytic functions in domains with a~quasiconformal boundary},
     journal = {Sbornik. Mathematics},
     pages = {289--317},
     year = {1977},
     volume = {31},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_31_3_a0/}
}