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@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/} }
Kazimierz Nikodem. Midpoint convex functions majorized by midpoint concave functions. (Short Communication).. Aequationes mathematicae, Tome 31 (1986), p. 322. http://geodesic.mathdoc.fr/item/AM2_1986__31_137169/