@article{DAN_1974_214_6_a1,
     author = {V. V. Zhuk},
     title = {Some sharp inequalities for uniform best approximations of periodic functions},
     journal = {Doklady Akademii Nauk},
     pages = {1245--1246},
     publisher = {mathdoc},
     volume = {214},
     number = {6},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_214_6_a1/}
}