@article{CHEB_2019_20_2_a28,
     author = {E. S. Krupitsin},
     title = {Arithmetic properties of series of some classes},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {374--382},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2019_20_2_a28/}
}