Time averaging for ordinary differential equations and retarded functional differential equations

by Mustapha Lakrib, Tewfik Sari
Published 2010-03-01

Effect of a new variable integration on steady states of a two-step Anaerobic Digestion Model

by Boumediene Benyahia, Tewfik Sari
Published 2020-08-01

On Tykhonov's theorem for convergence of solutions of slow and fast systems

by Claude Lobry, Tewfik Sari, Sefiane Touhami
Published 1998-07-01