@article{TM_1981_155_a1,
     author = {S. A. Vinogradov},
     title = {A~strengthening of {Kolmogorov's} theorem on the conjugate function and interpolational properties of uniformly converging power series},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {7--40},
     publisher = {mathdoc},
     volume = {155},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1981_155_a1/}
}