@article{DE_1999_35_9_a16,
     author = {B. G. Grebenshchikov},
     title = {On the instability of the solution of a system with constant delay},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1289--1290},
     year = {1999},
     volume = {35},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_9_a16/}
}