Auteurs, éditeurs et examinateurs de Begell House
Samia M. Said
Department of Mathematics, Faculty of Science, Zagazig University, P.O. Box 44519, Zagazig,
Egypt; Department of Mathematics, Faculty of Science and Arts, Al-Mithnab, Qassim
University, P.O. Box 931, Buridah 51931, Al-Mithnab, Kingdom of Saudi Arabia