@article{DAN_1973_211_6_a4,
     author = {A. I. Guseinov and G. M. Gasanov},
     title = {On an error estimate for approximate solutions of a linear integral equation},
     journal = {Doklady Akademii Nauk},
     pages = {1270--1272},
     publisher = {mathdoc},
     volume = {211},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_211_6_a4/}
}