@article{TRSPY_2017_296_a4,
     author = {J. Cilleruelo and D. S. Ramana and O. Ramar\'e},
     title = {Quotient and product sets of thin subsets of the positive integers},
     journal = {Informatics and Automation},
     pages = {58--71},
     publisher = {mathdoc},
     volume = {296},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2017_296_a4/}
}