@article{DAN_1958_118_1_a2,
     author = {N. V. Efimov and S. B. Stechkin},
     title = {Some properties of {Chebyshev} sets},
     journal = {Doklady Akademii Nauk},
     pages = {17--19},
     publisher = {mathdoc},
     volume = {118},
     number = {1},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_118_1_a2/}
}