%0 Journal Article %A K. S. Shklyaev %T The convex hull and the Carath\'eodory number of a~set in terms of the metric projection operator %J Sbornik. Mathematics %D 2022 %P 1470-1486 %V 213 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2022_213_10_a6/ %G en %F SM_2022_213_10_a6