@article{DE_1990_26_5_a20,
     author = {V. I. Verbitskii and A. N. Gorban'},
     title = {An approach to the analysis of the stability of nonlinear systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {900--903},
     publisher = {mathdoc},
     volume = {26},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_5_a20/}
}