Exact controllability and optimal control for distributed systems with a discrete delayed control. - Lotfi Chraïbi; Jamila Karrakchou; Abdelatif Ouansafi; Mostafa Rachik (J. Frankl. Inst., 2000)

Galerkin Methods for Nonlinear Ordinary Differential Equation with Impulses. - François Dubeau; Abdelatif Ouansafi; A. Sakat (Numer. Algorithms, 2003)

Linear quadratic control problem with a terminal convex constraint for discrete-time distributed systems. - Lotfi Chraïbi; Jamila Karrakchou; Mostafa Rachik; Abdelatif Ouansafi (IMA J. Math. Control. Inf., 2006)