@article{DE_1990_26_8_a21,
     author = {N. B. Engibaryan and L. G. Arabadzhyan},
     title = {Some factorization problems for integral operators of convolution type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1442--1452},
     publisher = {mathdoc},
     volume = {26},
     number = {8},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_8_a21/}
}