[1] A Mira Bejaia Univ, Fac Exact Sci, Appl Math Lab LMA, Targa Ouzemour 06000, Bejaia, Algeria
[2] A Mira Bejaia Univ, Fac Nat & Life Sci, Fac Exact Sci, Appl Math Lab LMA, Targa Ouzemour 06000, Bejaia, Algeria
[3] A Mira Bejaia Univ, Fac Nat & Life Sci, Biol Dept, Targa Ouzemour 06000, Bejaia, Algeria