%0 Journal Article %A Helga Schirmer %T A minimum theorem for n-valued multifunctions %J Fundamenta Mathematicae %D 1985 %P 83-92 %V 126 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-126-1-83-92/ %R 10.4064/fm-126-1-83-92 %G en %F 10_4064_fm_126_1_83_92