TY - JOUR AU - Zh.-G. Wang TI - Certain subclasses of close-to-convex and quasi-convex functions with respect to $k$-symmetric points JO - Lobachevskii journal of mathematics PY - 2006 SP - 73 EP - 83 VL - 21 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/LJM_2006_21_a5/ LA - en ID - LJM_2006_21_a5 ER -