This paper investigates the instability of the zero solution of a certain vector differential equation of the sixth order with delay. Using the Lyapunov- Krasovskiĭ functional approach, we obtain a new result on the topic and give an example for the related illustrations
Unstable Solutions to Nonlinear Vector Differential Equations of Sixth Order with Delay,
Applications and Applied Mathematics: An International Journal (AAM), Vol. 9,
1, Article 21.
Available at: https://digitalcommons.pvamu.edu/aam/vol9/iss1/21