%0 Journal Article %A Terry Czerwinski %T Collineation Groups of Finite Projective Planes Whose Sylow 2-Subgroups Contain at most Three Involutions. %J Mathematische Zeitschrift %D 1974 %P 161-170 %V 138 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1974__138_172089/ %F MZ_1974__138_172089