@article{DE_1974_10_5_a20,
     author = {B. I. Morgunov},
     title = {The approximate solution of certain integro-differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {936--939},
     publisher = {mathdoc},
     volume = {10},
     number = {5},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_5_a20/}
}