@article{DAN_1986_287_6_a5,
     author = {L. D. Kudryavtsev},
     title = {Estimates of derivatives on infinite intervals},
     journal = {Doklady Akademii Nauk},
     pages = {1306--1309},
     year = {1986},
     volume = {287},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_287_6_a5/}
}