@article{CHEB_2021_22_5_a2,
     author = {L. G. Arkhipova and V. N. Chubarikov},
     title = {On a {Cauchy} problem with periodic initial values},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {16--24},
     year = {2021},
     volume = {22},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2021_22_5_a2/}
}