TY  - JOUR
AU  - Akio Kawauchi
TI  - On Quadratic Forms in 3-Manifolds.
JO  - Inventiones mathematicae
PY  - 1977
SP  - 177
EP  - 198
VL  - 43
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1977__43_142513/
ID  - IM_1977__43_142513
ER  -