%0 Journal Article %A Gunnar Sparr %T A new proof of Löwner's theorem on monotone matrix functions. %J Mathematica Scandinavica %D 1980 %P 266-274 %V 47 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1980__47_166727/ %F MS2_1980__47_166727