TY  - JOUR
AU  - Sachs, David
TI  - Geometric Mappings on Geometric Lattices
JO  - Canadian journal of mathematics
PY  - 1971
SP  - 22
EP  - 35
VL  - 23
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-003-4/
DO  - 10.4153/CJM-1971-003-4
ID  - 10_4153_CJM_1971_003_4
ER  -