@article{DE_1976_12_7_a3,
     author = {L. A. Groza},
     title = {Asymptotic solutions of certain linear inhomogeneous second order differential equations in a {Banach} space with a small parameter multiplying the highest derivative},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1174--1186},
     publisher = {mathdoc},
     volume = {12},
     number = {7},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1976_12_7_a3/}
}