Geodesic
Singularly perturbed linear differential equations in a Banach space
Differencialʹnye uravneniâ, Tome 21 (1985) no. 10, pp. 1814-1817 
S. G. Krein. Singularly perturbed linear differential equations in a Banach space. Differencialʹnye uravneniâ, Tome 21 (1985) no. 10, pp. 1814-1817. http://geodesic.mathdoc.fr/item/DE_1985_21_10_a28/
@article{DE_1985_21_10_a28,
     author = {S. G. Krein},
     title = {Singularly perturbed linear differential equations in a {Banach} space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1814--1817},
     year = {1985},
     volume = {21},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_10_a28/}
}
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IS  - 10
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_10_a28/
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ID  - DE_1985_21_10_a28
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