%0 Journal Article %A Stanisław Kryński %T Metrically convex functions in normed spaces %J Studia Mathematica %D 1993 %P 1-11 %V 105 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-105-1-1-11/ %R 10.4064/sm-105-1-1-11 %G en %F 10_4064_sm_105_1_1_11