@article{CHO_KIM_1998, title={ANGULAR ESTIMATES OF CERTAIN INTEGRAL OPERATORS}, volume={29}, url={https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4255}, DOI={10.5556/j.tkjm.29.1998.4255}, abstractNote={<div class="page" title="Page 1"> <div class="layoutArea"> <div class="column"> <p><span style="font-size: 11.000000pt; font-family: ’TimesNewRomanPSMT’;">In the present paper, we investigate certain integral preserving properties in a sector. Our results include several previous results as the special cases. </span></p> </div> </div> </div>}, number={4}, journal={Tamkang Journal of Mathematics}, author={CHO, NAK EUN and KIM, IN HWA}, year={1998}, month={Dec.}, pages={271–277} }