TY  - JOUR
AU  - Jonathan Natov
TI  - On signatures and a subgroup of a central extension to the mapping class group
JO  - Homology, homotopy, and applications
PY  - 2003
SP  - 251
EP  - 260
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4310/HHA.2003.v5.n1.a11/
DO  - 10.4310/HHA.2003.v5.n1.a11
LA  - en
ID  - HHA_2003_5_1_a10
ER  -