%0 Journal Article %A A. M. Diyachkov %T A~description of the sets of Lebesque points and points of summability for a~Fourier series %J Sbornik. Mathematics %D 1993 %P 111-118 %V 74 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1993_74_1_a8/ %G en %F SM_1993_74_1_a8