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@article{DE_1973_9_6_a21, author = {L. S. Tchebykin}, title = {The stability of a certain nonlinear third order system}, journal = {Differencialʹnye uravneni\^a}, pages = {1151--1153}, publisher = {mathdoc}, volume = {9}, number = {6}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_6_a21/} }
L. S. Tchebykin. The stability of a certain nonlinear third order system. Differencialʹnye uravneniâ, Tome 9 (1973) no. 6, pp. 1151-1153. http://geodesic.mathdoc.fr/item/DE_1973_9_6_a21/