@article{DAN_1986_288_5_a5,
     author = {V. A. Rukavishnikov},
     title = {Weighted estimation of the rate of convergence of difference},
     journal = {Doklady Akademii Nauk},
     pages = {1058--1062},
     year = {1986},
     volume = {288},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_288_5_a5/}
}