by Riahi, Lotfi
Published in Journal of mathematical analysis and applications (15.09.2007)

by Riahi, Lotfi
Published in Manuscripta mathematica (01.02.2005)

by Jah, Sidi Hamidou, Riahi, Lotfi
Published in Journal of fixed point theory and applications (01.02.2022)

by Riahi, Lotfi
Published in Potential analysis (01.12.2005)

by Mâatoug, Lamia, Riahi, Lotfi
Published in Journal of functional analysis (15.04.2006)

by Riahi, Lotfi
Published in Electronic journal of qualitative theory of differential equations (01.06.2003)

by Ifra, Abdoul, Riahi, Lotfi
Published in Publicacions matemàtiques (01.01.2005)