@article{MABA_2011_25_1-2_a1,
     author = {M. Aouf and A. Shamandy and A. Mostafa and S. Madian},
     title = {On {Sandwich} {Theorem} of {Analytic} {Functions} {Involving} {Integral} {Operator}},
     journal = {Mathematica balkanica},
     pages = {15},
     publisher = {mathdoc},
     volume = {25},
     number = {1-2},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/MABA_2011_25_1-2_a1/}
}