@article{05313217, title = {A class of integral operators preserving subordination and superordination.}, journal = {Journal of Inequalities and Applications [electronic only]}, volume = {2008}, year = {2008}, doi = {10.1155/2008/859105}, zbl = {1155.30005}, language = {en}, url = {http://dml.mathdoc.fr/item/05313217} }
Cho, Nak Eun; Kim, In Hwa. A class of integral operators preserving subordination and superordination.. Journal of Inequalities and Applications [electronic only], Tome 2008 (2008) . doi : 10.1155/2008/859105. http://gdmltest.u-ga.fr/item/05313217/