@article{DE_1989_25_10_a6,
     author = {M. I. Markechko},
     title = {Asymptotic stability of singularly perturbed differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1698--1705},
     publisher = {mathdoc},
     volume = {25},
     number = {10},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_10_a6/}
}