@article{DAN_1970_195_4_a2,
     author = {M. Ya. Kurganskaya and Yu. I. Cherskii},
     title = {A conjugacy problem of three analytic functions},
     journal = {Doklady Akademii Nauk},
     pages = {765--768},
     year = {1970},
     volume = {195},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_195_4_a2/}
}