Khaled Zennir, “General decay of solutions for damped wave equation of Kirchhoff type with density in $R^n$”, Ann Univ Ferrara, 2015
Khaled Zennir, “Growth of Solutions with Positive Initial Energy to System of Degeneratly Damped Wave Equations with Memory”, Lobachevskii Journal of Mathematics, 35:02 (2014), 147–156
D. Ouchenane, Kh. Zennir and M. Bayoud, “Global nonexistence of solutions for a system of nonlinear viscoelastic wave equations with degenerate damping”, Ukrainian Mathematical Journal, 65:07 (2013), 723–739
Abbes Benaissa, Djamel Ouchenane and Khaled Zennir, “Blow up of positive initial-energy solutions to systems of
nonlinear wave equations with degenerate damping and
source terms”, Nonlinear Studies, 19:04 (2012), 523–535
Khaled Zennir, “General decay of solution of wave equation with
density and memory term in Rn”, Journal of Advanced Research in Dynamical and Control Systems, 07 (2015), 1–12