@article{DE_1988_24_8_a20,
     author = {V. S. Sergeev},
     title = {Instability of the zero solution of a class of integro-differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1443--1454},
     publisher = {mathdoc},
     volume = {24},
     number = {8},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_8_a20/}
}