TY  - JOUR
AU  - Donnelly, Harold
TI  - On L2-Betti Numbers for Abelian Groups
JO  - Canadian mathematical bulletin
PY  - 1981
SP  - 91
EP  - 95
VL  - 24
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-014-7/
DO  - 10.4153/CMB-1981-014-7
ID  - 10_4153_CMB_1981_014_7
ER  -