%0 Journal Article
%A B. I. Golubov
%T Best approximations of functions in the $L_p$ metric by Haar and Walsh polynomials
%J Sbornik. Mathematics
%D 1972
%P 265-285
%V 16
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1972_16_2_a8/
%G en
%F SM_1972_16_2_a8