%0 Journal Article %A L. I. Bausov %T Approximation of functions of class $Z_\alpha$ by positive methods of summation of Fourier series %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1961 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1961_16_3_a4/ %G ru %F RM_1961_16_3_a4