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@article{MZ_1965__90_170480, author = {Hans Jorgen Munkholm}, title = {On the classification of incidence thorems in plane projective geometry.}, journal = {Mathematische Zeitschrift}, pages = {215--230}, publisher = {mathdoc}, volume = {90}, year = {1965}, url = {http://geodesic.mathdoc.fr/item/MZ_1965__90_170480/} }
Hans Jorgen Munkholm. On the classification of incidence thorems in plane projective geometry.. Mathematische Zeitschrift, Tome 90 (1965), pp. 215-230. http://geodesic.mathdoc.fr/item/MZ_1965__90_170480/