%0 Journal Article %A Robert A. Liebler %T Finite Affine Planes of Rank Three are Translation Planes. %J Mathematische Zeitschrift %D 1970 %P 89-93 %V 116 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1970__116_171374/ %F MZ_1970__116_171374