@article{RM_1962_17_5_a8,
     author = {N. I. Fel'dman},
     title = {Transcendental numbers with an approximation of given type},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {17},
     number = {5},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1962_17_5_a8/}
}