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@article{AM2_1989__38_1_137327, author = {Z. Kominek and M. Kuczma}, title = {On the lower hull of convex functions.}, journal = {Aequationes mathematicae}, pages = {192--210}, publisher = {mathdoc}, volume = {38}, number = {1}, year = {1989}, zbl = {0686.26003}, url = {http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137327/} }
Z. Kominek; M. Kuczma. On the lower hull of convex functions.. Aequationes mathematicae, Tome 38 (1989) no. 1, pp. 192-210. http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137327/