@article{DE_1989_25_11_a1,
     author = {I. M. Anan'evskii and V. B. Kolmanovskii},
     title = {Stability of some control systems with aftereffect},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1848--1852},
     publisher = {mathdoc},
     volume = {25},
     number = {11},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_11_a1/}
}