%0 Journal Article %A S. P. Baiborodov %T Lebesgue constants and approximation of functions by rectangular fourier sums in $L^p(T^m)$ %J Matematičeskie zametki %D 1983 %P 77-90 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1983_34_1_a6/ %G ru %F MZM_1983_34_1_a6