@article{DE_1985_21_10_a13,
     author = {M. M. Khapaev},
     title = {A generalization of {Lyapunov's} second method and an investigation of the stability of applied problems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1730--1733},
     publisher = {mathdoc},
     volume = {21},
     number = {10},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_10_a13/}
}