TY  - JOUR
AU  - Thomas Ihringer
TI  - On Groupoids Having a Linear Congruence Class Geometry.
JO  - Mathematische Zeitschrift
PY  - 1982
SP  - 395
EP  - 412
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1982__180_173198/
ID  - MZ_1982__180_173198
ER  -