TY - JOUR AU - Kazimierz Nikodem TI - Midpoint convex functions majorized by midpoint concave functions. JO - Aequationes mathematicae PY - 1987 SP - 45 EP - 51 VL - 32 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1987__32_137175/ ID - AM2_1987__32_137175 ER -