%0 Journal Article %A Alberto Bressan %A Giovanni Colombo %T Extensions and selections of maps with decomposable values %J Studia Mathematica %D 1988 %P 69-86 %V 90 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-90-1-69-86/ %R 10.4064/sm-90-1-69-86 %G en %F 10_4064_sm_90_1_69_86