%0 Journal Article
%A A. V. Kroó
%T The correctness problem for best approximations by trigonometric polynomials in the class $W_0^rH[\omega]_C$
%J Matematičeskie zametki
%D 1977
%P 85-101
%V 22
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1977_22_1_a9/
%G ru
%F MZM_1977_22_1_a9