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@article{DE_1973_9_6_a6, author = {V. P. Skripnik}, title = {The stability of certain systems with perturbed argument}, journal = {Differencialʹnye uravneni\^a}, pages = {1049--1057}, publisher = {mathdoc}, volume = {9}, number = {6}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_6_a6/} }
V. P. Skripnik. The stability of certain systems with perturbed argument. Differencialʹnye uravneniâ, Tome 9 (1973) no. 6, pp. 1049-1057. http://geodesic.mathdoc.fr/item/DE_1973_9_6_a6/