TY  - JOUR
AU  - Gorman, Howard
TI  - Invertibility and Class Number of Orders
JO  - Canadian journal of mathematics
PY  - 1971
SP  - 1
EP  - 11
VL  - 23
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-001-1/
DO  - 10.4153/CJM-1971-001-1
ID  - 10_4153_CJM_1971_001_1
ER  -