TY - JOUR AU - S. P. Baiborodov TI - Lebesgue constants and approximation of functions by rectangular fourier sums in $L^p(T^m)$ JO - Matematičeskie zametki PY - 1983 SP - 77 EP - 90 VL - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1983_34_1_a6/ LA - ru ID - MZM_1983_34_1_a6 ER -