@article{DAN_1978_243_6_a6,
     author = {I. V. Zhuravlev},
     title = {Some sufficient conditions for the quasi-conformal extension of analytic functions},
     journal = {Doklady Akademii Nauk},
     pages = {1377--1380},
     publisher = {mathdoc},
     volume = {243},
     number = {6},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_6_a6/}
}