@article{DE_1991_27_8_a3,
     author = {Yu. F. Dolgii and A. V. Kim},
     title = {On the method of {Lyapunov} functionals for systems with aftereffect},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1313--1318},
     publisher = {mathdoc},
     volume = {27},
     number = {8},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_8_a3/}
}