@article{DE_1987_23_5_a1,
     author = {N. V. Azbelev and L. M. Berezanskii and P. M. Simonov and A. V. Chistyakov},
     title = {The stability of linear systems with aftereffect. {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {745--754},
     publisher = {mathdoc},
     volume = {23},
     number = {5},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_5_a1/}
}