TY - JOUR AU - Marek Kuczma TI - Almost convex functions JO - Colloquium Mathematicum PY - 1970 SP - 279 EP - 284 VL - 21 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-21-2-279-284/ DO - 10.4064/cm-21-2-279-284 LA - en ID - 10_4064_cm_21_2_279_284 ER -