@article{DAN_1986_288_6_a3,
     author = {Yu. I. Lyubich},
     title = {On the dynamics of hypercycles},
     journal = {Doklady Akademii Nauk},
     pages = {1301--1304},
     publisher = {mathdoc},
     volume = {288},
     number = {6},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_288_6_a3/}
}