TY - JOUR AU - Ş. Altınkaya AU - S. Yalçın TI - Certain Classes of Bi-Univalent Functions of Complex Order Associated with Quasi-Subordination Involving $(p,q)$-Derivative Operator JO - Kragujevac Journal of Mathematics PY - 2020 SP - 639 VL - 44 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KJM_2020_44_4_a12/ LA - en ID - KJM_2020_44_4_a12 ER -