%0 Journal Article %A Yu. N. Shteinikov %T On special extremal sets associated with the multiplication table of P. Erdős %J Čebyševskij sbornik %D 2024 %P 373-380 %V 25 %N 3 %U http://geodesic.mathdoc.fr/item/CHEB_2024_25_3_a25/ %G ru %F CHEB_2024_25_3_a25