TY - JOUR AU - Yu. N. Shteinikov TI - On the set of exceptions in the product of sets of natural numbers with asymptotic density~$1$ JO - Čebyševskij sbornik PY - 2023 SP - 237 EP - 242 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2023_24_1_a17/ LA - ru ID - CHEB_2023_24_1_a17 ER -