@article{KJM_2011_35_3_a3,
     author = {Somia Muftah Amsheri and Valentina Zharkova},
     title = {Differential sandwich theorems of $p$-valent functions associated with a certain fractional derivative operator},
     journal = {Kragujevac Journal of Mathematics},
     pages = {387 },
     publisher = {mathdoc},
     volume = {35},
     number = {3},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2011_35_3_a3/}
}