@article{DE_1966_2_10_a4,
     author = {E. T. Sofronov},
     title = {A sufficient condition for the stability of the zero-solution of a system of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1312--1316},
     publisher = {mathdoc},
     volume = {2},
     number = {10},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_10_a4/}
}