@article{ZVMMF_1986_26_7_a11,
     author = {S. K. Betyaev},
     title = {Topology of two-dimensional selfsimilar motions},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1081--1095},
     year = {1986},
     volume = {26},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_7_a11/}
}