@article{DE_2006_42_1_a0,
     author = {I. V. Boykov},
     title = {On a stability criterion for solutions of systems of nonlinear differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {3--10},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_1_a0/}
}