@article{DE_1989_25_8_a8,
     author = {V. I. Fomin},
     title = {A singular differential equation with a small parameter in the case of a variable bounded operator coefficient},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1350--1354},
     publisher = {mathdoc},
     volume = {25},
     number = {8},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_8_a8/}
}