Retraction: Khaled Zennir. Existence and general qualitative properties of <inline-formula><tex-math id="M1"> k </tex-math></inline-formula>th-order solution for nonlinear viscoelastic wave equation with averaged damping in weighted spaces. Evolution Equations and Control Theory, 14 (2025), 1660-1677. doi:10.3934/eect.2025048 - Retracted Article | RetractBase