TY - JOUR AU - Somia Muftah Amsheri AU - Valentina Zharkova TI - Differential sandwich theorems of $p$-valent functions associated with a certain fractional derivative operator JO - Kragujevac Journal of Mathematics PY - 2011 SP - 387 VL - 35 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KJM_2011_35_3_a3/ LA - en ID - KJM_2011_35_3_a3 ER -