@article{DAN_1975_220_3_a2,
     author = {N. S. Vyacheslavov},
     title = {On the uniform approximation of $|x|$ by rational functions},
     journal = {Doklady Akademii Nauk},
     pages = {512--515},
     publisher = {mathdoc},
     volume = {220},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_220_3_a2/}
}