@article{DAN_1978_243_3_a4,
     author = {B. P. Kufarev and B. V. Sokolov},
     title = {On boundary correspondence under mappings of domains in $R^n$},
     journal = {Doklady Akademii Nauk},
     pages = {568--571},
     publisher = {mathdoc},
     volume = {243},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_3_a4/}
}