@article{DAN_1981_258_4_a5,
     author = {G. Sh. Rubinshtein},
     title = {On the {Chebyshev} rank for problems of uniform approximation in the space of $\mathfrak{R}$-bounded functions},
     journal = {Doklady Akademii Nauk},
     pages = {796--800},
     publisher = {mathdoc},
     volume = {258},
     number = {4},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_4_a5/}
}