TY - JOUR AU - Zh.-G. Wang TI - A new subclass of quasi-convex functions with respect to $k$-symmetric points JO - Lobachevskii journal of mathematics PY - 2005 SP - 41 EP - 50 VL - 19 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/LJM_2005_19_a3/ LA - en ID - LJM_2005_19_a3 ER -