@article{AM2_1986__31_137169,
     author = {Kazimierz Nikodem},
     title = {Midpoint convex functions majorized by midpoint concave functions. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {322--322},
     publisher = {mathdoc},
     volume = {31},
     year = {1986},
     zbl = {0612.26007},
     url = {http://geodesic.mathdoc.fr/item/AM2_1986__31_137169/}
}