. "FEKETE-SZEGO INEQUALITIES FOR CLASSES OF BI-STARLIKE AND BI-CONVEX FUNCTIONS Vol. 3(1) Jan 2015, No. 12, pp. 133-140 JAY M. JAHANGIRI, N. MAGESH AND J. YAMINI", Electronic Journal of Mathematical Analysis and Applications, 3, 1, 2015, -. doi: 10.21608/ejmaa.2015.310702