@article{DE_1987_23_4_a12,
     author = {M. M. Khapaev and V. V. Balandin},
     title = {Construction of perturbations of {Lyapunov} functions and an investigation of stability under small random actions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {675--680},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_4_a12/}
}