%0 Journal Article %A Janusz Matkowski %A Tadeusz Świa̧tkowski %T Subadditive functions and partial converses of Minkowski's and Mulholland's inequalities %J Fundamenta Mathematicae %D 1993 %P 75-85 %V 143 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-143-1-75-85/ %R 10.4064/fm-143-1-75-85 %G en %F 10_4064_fm_143_1_75_85