Authors
N. Moradi
Mathematics and Computer Science Department, University Abdelmalk Essaadi, Sciences and Technologies Faculty, Al hoceima, Morocco
F. Moradi
Mathematics and Computer Science Department, University Abdelmalk Essaadi, National School of Applied Sciences, Al hoceima, Morocco
S. El Habib
Department of Mathematics, University Mohamed I, Multidisciplinary Faculty, Nador, Morocco
M. Addam
Mathematics and Computer Science Department, University Abdelmalk Essaadi, National School of Applied Sciences, Al hoceima, Morocco