TY  - JOUR
AU  - Hans Jorgen Munkholm
TI  - On the classification of incidence thorems in plane projective geometry.
JO  - Mathematische Zeitschrift
PY  - 1965
SP  - 215
EP  - 230
VL  - 90
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1965__90_170480/
ID  - MZ_1965__90_170480
ER  -