@article{CHEB_2024_25_5_a15,
     author = {R. M. Ashrapov and P. S. Dergach},
     title = {On covering sets of a special type by geometric progressions with a certain restrictions},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {237--243},
     year = {2024},
     volume = {25},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2024_25_5_a15/}
}