@article{DE_1990_26_10_a14,
     author = {A. V. Dedushev},
     title = {A method for solving differential equations with operator coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1766--1777},
     publisher = {mathdoc},
     volume = {26},
     number = {10},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_10_a14/}
}