%0 Journal Article %T A Class of Integral Operators Preserving Subordination and Superordination for Analytic Functions %A H. A. Al-Kharsani %A N. M. Al-Areefi %A Janusz Sokó %A ł %J ISRN Mathematical Analysis %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/909632 %U http://dx.doi.org/10.5402/2012/909632