@article{MZM_2020_107_5_a7,
     author = {A. Y. Yanchenko and V. A. Podkopaeva},
     title = {On a {Class} of {Integer-Valued} {Functions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {760--773},
     publisher = {mathdoc},
     volume = {107},
     number = {5},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_107_5_a7/}
}