%0 Journal Article %A I. G. Tsar'kov %T Properties of at most countable unions of~pairwise disjoint sets in asymmetric spaces %J Sbornik. Mathematics %D 2025 %P 257-269 %V 216 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2025_216_2_a4/ %G en %F SM_2025_216_2_a4