Some characterization theorems for starlike and convex functions involving a certain fractional integral operator
1989 ◽
Vol 140
(2)
◽
pp. 419-426
◽
2021 ◽
Vol 31
(4)
◽
pp. 597-612
2018 ◽
2021 ◽
Vol 31
(4)
◽
pp. 597-612