%0 Journal Article %A I. G. Tsar'kov %T Weakly monotone sets and continuous selection from a near-best approximation operator %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2018 %P 246-257 %V 303 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2018_303_a17/ %G ru %F TM_2018_303_a17