@article{DE_1986_22_11_a18,
     author = {A. I. Bashkirov},
     title = {A criterion for exponential stability of an equation with aftereffect and with periodic parameters},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1994--1997},
     publisher = {mathdoc},
     volume = {22},
     number = {11},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_11_a18/}
}