Authors
Amina Angelika Bouchentouf
Laboratory Mathematics, Djillali Liabes University of Sidi Bel Abbes, Algeria
Abdelhak Guendouzi
Laboratory of Stochastic Models, Statistic and Applications, Dr. Tahar Moulay University of Saida, Algeria
Abdeldjebbar Kandouci
Laboratory of Stochastic Models, Statistic and Applications, Dr. Tahar Moulay University of Saida, Algeria
