@article{MZM_1998_63_5_a5,
     author = {V. A. Dobrynskii},
     title = {Unimodal mappings and {Li{\textendash}Yorke} chaos},
     journal = {Matemati\v{c}eskie zametki},
     pages = {679--689},
     year = {1998},
     volume = {63},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1998_63_5_a5/}
}