@article{DE_1965_1_2_a7,
     author = {N. A. Lukashevich},
     title = {On the stability of the trivial solution of a certain system of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {196--198},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1965_1_2_a7/}
}