@article{CMUC_1990_31_2_a20,
     author = {Kuchta, Milan},
     title = {Characterization of chaos for continuous maps of the circle},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {383--390},
     year = {1990},
     volume = {31},
     number = {2},
     mrnumber = {1077909},
     zbl = {0728.26011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1990_31_2_a20/}
}