1. Department of Applied Mathematics National Research Centre Cairo Egypt
2. Department of Computational Mathematics and Computer Science, Institute of Natural Sciences and Mathematics Ural Federal University Yekaterinburg Russia
3. Department of Mathematics Faculty of Science Benha University Benha Egypt
4. Departamento de Matemáticas y Física Ciudad Universitaria Aguascalientes Mexico
5. Department of Mathematics, School of Digital Technologies Tallinn University Tallinn Estonia