%0 Journal Article %A Olof Heden %T Perfect Codes in Antipodal Distance-Transitive Graphs. %J Mathematica Scandinavica %D 1974 %P 29-37 %V 35 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1974__35_166371/ %F MS2_1974__35_166371