%0 Journal Article %A N. M. Pavlovskii %T On the Lebesgue function of a linear approximation process %J Doklady Akademii Nauk %D 1963 %P 1261-1264 %V 148 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_148_6_a6/ %G ru %F DAN_1963_148_6_a6