@article{RM_1961_16_3_a4,
     author = {L. I. Bausov},
     title = {Approximation of functions of class $Z_\alpha$ by positive methods of summation of {Fourier} series},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1961_16_3_a4/}
}