@article{DAN_1967_176_3_a9,
     author = {A. I. Perov},
     title = {A question on the structure of the limit set},
     journal = {Doklady Akademii Nauk},
     pages = {526--529},
     publisher = {mathdoc},
     volume = {176},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_3_a9/}
}