International Journal of Mathematics and Mathematical Sciences
Volume 21 (1998), Issue 2, Pages 369-374
doi:10.1155/S0161171298000507

Angular estimations of certain integral operators

Nak Eun Cho , In Hwa Kim and Ji A Kim

Department of Applied Mathematics, Pukyong National University, Pusan 608-737, Korea

Abstract

The object of the present paper is to derive some argument properties of certain integral operators. Our results contain some interesting corollaries as the special cases.