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