Institution: | 1.Université d’Abomey-Calavi/ International Chair in Mathematical Physics and Applications (ICMPA : UNESCO-Chair), 072 BP 50, Cotonou, Republic of Benin ;2.National Higher School of Mathematics Genius and Modelization, National University of Sciences, Technologies, Engineering and Mathematics, Abomey, Republic of Benin ;3.Independent Researcher, 06 BP 0782 PK3, Cotonou, Republic of Benin ; |