The convexity of the integral operator on the class of B(mu,alpha)

Department of Mathematics, Targul din Vale Str., No.۱, ۱۱۰۰۴۰, Pitesti, Arges, Romania

Department of Mathematics, Alba Iulia, Str. N. Iorga, ۵۱۰۰۰۰, No. ۱۱-۱۳, Romania