%0 Journal Article
%A M. Laczkovich
%T On Kemperman's inequality 2f(x)≤ f(x+h)+f(x+2h)
%J Colloquium Mathematicum
%D 1984
%P 109-115
%V 49
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-49-1-109-115/
%R 10.4064/cm-49-1-109-115
%G en
%F 10_4064_cm_49_1_109_115