%0 Journal Article %A S. V. Konyagin %T Sets of points of nonemptiness and continuity of the metric projection %J Matematičeskie zametki %D 1983 %P 641-655 %V 33 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1983_33_5_a0/ %G ru %F MZM_1983_33_5_a0