%0 Journal Article
%A Thomas Ihringer
%T On Groupoids Having a Linear Congruence Class Geometry.
%J Mathematische Zeitschrift
%D 1982
%P 395-412
%V 180
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1982__180_173198/
%F MZ_1982__180_173198