%0 Journal Article %A Julia M. Nowlin Brown %T Homologies in Collineation Groups of Finite Projective Planes. I. %J Mathematische Zeitschrift %D 1972 %P 133-140 %V 124 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1972__124_171664/ %F MZ_1972__124_171664