%0 Journal Article
%A M. I. Ganzburg
%T Exact errors of best approximation for complex-valued periodic functions
%J Sbornik. Mathematics
%D 2018
%P 421-431
%V 209
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2018_209_3_a5/
%G en
%F SM_2018_209_3_a5