Alsait A, Alabbar N. Fekete -Szego Problem for Starlike of Complex functions of Order Related  to Generalized  Derivative Operator    . JHAS [Internet]. 2019 Dec. 31 [cited 2024 Jul. 3];4(8):321-3. Available from: https://khsj.elmergib.edu.ly/index.php/jhas/article/view/136