@article{CHEB_2017_18_2_a18,
     author = {V. G. Chirskii},
     title = {Periodicity and non-periodicity of finite sequences},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {275--278},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2017_18_2_a18/}
}