TY  - JOUR
AU  - Esther Portnoy
TI  - Toward a Generalized Gauss-Bonnet Formula for Complete, Open Manifolds
JO  - Commentarii mathematici Helvetici
PY  - 1971
SP  - 324
EP  - 344
VL  - 46
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1971__46_139481/
ID  - CMH_1971__46_139481
ER  -