%0 Journal Article %A G. G. Kosheleva %T Correction of step functions and summation of their fourier series by the ces\'{a}ro methods of negative order %J Matematičeskie zametki %D 1987 %P 175-184 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1987_41_2_a5/ %G ru %F MZM_1987_41_2_a5