Global existence and energy decay result for a weak viscoelastic wave equations with a dynamic boundary and nonlinear delay term. - Mohamed Ferhat; Ali Hakem (Comput. Math. Appl., 2016)

Boundary Value Problems of Hadamard Fractional Differential Equations of Variable Order. - Snezhana G. Hristova; Amar Benkerrouche; Mohammed Said Souid; Ali Hakem (Symmetry, 2021)