%0 Journal Article %A S. S. Volosivets %T Approximation of functions of bounded $p$-variation by means of polynomials of the Haar and Walsh systems %J Matematičeskie zametki %D 1993 %P 11-21 %V 53 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1993_53_6_a1/ %G ru %F MZM_1993_53_6_a1