TY - JOUR AU - Yu. N. Shteinikov TI - On the product sets of rational numbers JO - Informatics and Automation PY - 2017 SP - 252 EP - 259 VL - 296 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2017_296_a18/ LA - ru ID - TRSPY_2017_296_a18 ER -