@article{CHEB_2022_23_5_a5,
     author = {N. N. Dobrovolskii and I. Yu. Rebrova and N. M. Dobrovolskii},
     title = {Entropy for some monoids of natural numbers},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {57--71},
     publisher = {mathdoc},
     volume = {23},
     number = {5},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2022_23_5_a5/}
}