@article{DE_1973_9_8_a12,
     author = {I. V. Boykov and I. I. Zhechev},
     title = {On the approximate solution of singular integrodifferential equations. {I.~Linear} equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1493--1502},
     publisher = {mathdoc},
     volume = {9},
     number = {8},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_8_a12/}
}