%0 Journal Article %A P. P. Korovkin %T Asymptotic properties of positive methods for summation of Fourier series %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1960 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1960_15_1_a14/ %G ru %F RM_1960_15_1_a14