@article{DE_1990_26_4_a21,
     author = {Yu. A. Konyaev},
     title = {Sufficient conditions for the stability of solutions of some classes of ordinary differential equations in critical cases},
     journal = {Differencialʹnye uravneni\^a},
     pages = {709--712},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_4_a21/}
}