Exact gradient controllability with strategic actuators. - I. El Harraki; A. Khazari; Ali Boutoulout (Autom. Control. Comput. Sci., 2017)

Regional boundary gradient observability of semilinear hyperbolic systems via HUM approach. - A. Khazari; Ali Boutoulout; Fatima-Zahrae El Alaoui (IMA J. Math. Control. Inf., 2018)