%0 Journal Article
%A A. R. Abdulgamidov
%T Approximation of functions of two variables with respect to a Haar system
%J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
%D 1969
%P 30-52
%V 129
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZKU_1969_129_3_a1/
%G ru
%F UZKU_1969_129_3_a1