@article{DE_1977_13_4_a23,
     author = {L. D. Zamkobaya and B. I. Kryukov},
     title = {The stability of nonlinear differential and finite difference systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {756--757},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_4_a23/}
}