Autor: Berdjag Denis Berdjag

Frédéric Vanderhaegen is a Professor at Université Polytechnique Hauts-de-France, and a researcher of the LAMIH laboratory. Choubeila Maaoui is a Professor at the University of Lorraine, France, and a member of the LCOMS laboratory and IFRATH. Mohamed Sallak is a senior lecturer at the Compiègne University of Technology, France and a member of the Heudiasyc laboratory. Denis Berdjag is a senior lecturer at Université Polytechnique Hauts-de-France, and a researcher of the LAMIH laboratory.