TY - JOUR AU - Yu. N. Shteinikov TI - On the size of the quotient of two subsets of positive integers JO - Informatics and Automation PY - 2018 SP - 279 EP - 287 VL - 303 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2018_303_a19/ LA - ru ID - TRSPY_2018_303_a19 ER -