%0 Journal Article
%A I. N. Katkovskaya
%A V. G. Krotov
%T On the Continuity of Best Approximations by Constants on Balls in Metric Measure Spaces
%J Matematičeskie zametki
%D 2020
%P 221-228
%V 107
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2020_107_2_a4/
%G ru
%F MZM_2020_107_2_a4