%0 Journal Article %A V. V. Lesin %T An analog of the system of reference functions corresponding to the Walsh functions %J Matematičeskie zametki %D 1977 %P 485-493 %V 21 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1977_21_4_a4/ %G ru %F MZM_1977_21_4_a4