@article{DE_1998_34_2_a19,
     author = {A. Yu. Aleksandrov},
     title = {The effect of unbounded perturbations on the stability of systems of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {279--281},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_2_a19/}
}