1. Department of Mathematics, University of Sciences and Technology, Mohamed Boudiaf, Oran, Algeria
2. Laboratory of Statistics and Random Modelisations of University About Bekr Belkaid (LSMA), Tlemcen, El Mnaouar, BP 1505, Bir El Djir 31000, Oran, Algeria
3. Department of Biology, University of Mascara, Mascara, Algeria
4. Laboratory of Stochastic Models, Statistics and Applications, University Tahar Moulay of Saïda, Mascara 29000, Algeria
5. Department of Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
6. Laboratory of Analysis and Application of Radiation (LAAR), USTO-MB, El Mnaouar, BP 1505, Bir El Djir 31000, Oran, Algeria
7. Department of Mathematics, College of Science and Arts in Ar Rass, Qassim University, Buryadah 52571, Saudi Arabia
8. Department of Mathematics, College of Science and Humanities in Ad Dawadmi, Shaqra University, Shaqra, Saudi Arabia