%0 Journal Article %A I. G. Tsar'kov %T Approximative properties of sets and continuous selections %J Sbornik. Mathematics %D 2020 %P 1190-1211 %V 211 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2020_211_8_a5/ %G en %F SM_2020_211_8_a5