@article{DE_1999_35_6_a17,
     author = {O. V. Druzhinina and A. A. Shestakov},
     title = {On the instability of an equilibrium state with respect to the first approximation of a stationary nonlinear equation in a {Hilbert} space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {840},
     publisher = {mathdoc},
     volume = {35},
     number = {6},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_6_a17/}
}