@article{DAN_1978_243_5_a14,
     author = {E. Kh. Yakubov},
     title = {On solutions of {Beltrami's} equation with degeneration},
     journal = {Doklady Akademii Nauk},
     pages = {1148--1149},
     year = {1978},
     volume = {243},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_5_a14/}
}