@article{DAN_1978_243_5_a5,
     author = {S. V. Konyagin},
     title = {Bounds on the derivatives of polynomials},
     journal = {Doklady Akademii Nauk},
     pages = {1116--1118},
     year = {1978},
     volume = {243},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_5_a5/}
}