Tunc, Cemil2025-05-102025-05-1020112086-8952https://hdl.handle.net/20.500.14720/16836Sufficient conditions are obtained for the instability of the zero solution of a certain sixth-order nonlinear functional differential equation by the Lyapunov-Krasovskii functional approach.eninfo:eu-repo/semantics/openAccessInstabilityLyapunov-Krasovskii FunctionalDelay Differential EquationSixth OrderInstability for a Certain Functional Differential Equation of Sixth OrderArticle