@article{DE_1977_13_12_a10,
     author = {K. S. Sibirskii and A. S. Shube},
     title = {Semi-dynamical systems on the line},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2207--2212},
     publisher = {mathdoc},
     volume = {13},
     number = {12},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_12_a10/}
}