@article{DAN_1962_145_6_a4,
     author = {V. A. Zorich},
     title = {Boundary correspondence under $Q$-quasiconformal mappings of a sphere},
     journal = {Doklady Akademii Nauk},
     pages = {1209--1212},
     publisher = {mathdoc},
     volume = {145},
     number = {6},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_145_6_a4/}
}