@article{DAN_1966_166_2_a10,
     author = {A. V. Sychev},
     title = {Quasiconformal mappings in space},
     journal = {Doklady Akademii Nauk},
     pages = {298--300},
     publisher = {mathdoc},
     volume = {166},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_166_2_a10/}
}