@article{10_4064_fm_143_1_75_85,
     author = {Janusz Matkowski and Tadeusz \'Swia̧tkowski},
     title = {Subadditive functions and partial converses of {Minkowski's} and {Mulholland's} inequalities},
     journal = {Fundamenta Mathematicae},
     pages = {75--85},
     publisher = {mathdoc},
     volume = {143},
     number = {1},
     year = {1993},
     doi = {10.4064/fm-143-1-75-85},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-143-1-75-85/}
}