TY  - JOUR
AU  - Ramras, Mark
TI  - Bounds on Betti Numbers
JO  - Canadian journal of mathematics
PY  - 1982
SP  - 589
EP  - 592
VL  - 34
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-040-0/
DO  - 10.4153/CJM-1982-040-0
ID  - 10_4153_CJM_1982_040_0
ER  -