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@article{DE_1998_34_4_a4, author = {Yu. F. Dolgii and S. G. Nikolaev}, title = {Instability of a periodic system with delay}, journal = {Differencialʹnye uravneni\^a}, pages = {465--470}, publisher = {mathdoc}, volume = {34}, number = {4}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1998_34_4_a4/} }
Yu. F. Dolgii; S. G. Nikolaev. Instability of a periodic system with delay. Differencialʹnye uravneniâ, Tome 34 (1998) no. 4, pp. 465-470. http://geodesic.mathdoc.fr/item/DE_1998_34_4_a4/