@article{ZVMMF_2014_54_9_a1,
     author = {A. P. Khromov and G. V. Khromova},
     title = {Discontinuous {Steklov} operators in the problem of uniform approximation of derivatives on an interval},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1442--1557},
     year = {2014},
     volume = {54},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2014_54_9_a1/}
}