%0 Journal Article %A Hans Jorgen Munkholm %T On the classification of incidence thorems in plane projective geometry. %J Mathematische Zeitschrift %D 1965 %P 215-230 %V 90 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1965__90_170480/ %F MZ_1965__90_170480