TY  - JOUR
AU  - Ringel, Claus Michael
TI  - QF - 1 Rings of Global Dimension ≦ 2
JO  - Canadian journal of mathematics
PY  - 1973
SP  - 345
EP  - 352
VL  - 25
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-033-7/
DO  - 10.4153/CJM-1973-033-7
ID  - 10_4153_CJM_1973_033_7
ER  -