@article{RM_1964_19_6_a35,
     author = {V. S. Ryaben'kii and N. N. Chentsov},
     title = {N. {M.~Korobov,} {Number} theory methods in analysis of approximation (review)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1964},
     volume = {19},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1964_19_6_a35/}
}