TY  - JOUR
AU  - Derbez, Pierre
AU  - Wang, Shicheng
TI  - Finiteness of mapping degrees and PSL(2,R)–volume on graph manifolds
JO  - Algebraic and Geometric Topology
PY  - 2009
SP  - 1727
EP  - 1749
VL  - 9
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2009.9.1727/
DO  - 10.2140/agt.2009.9.1727
ID  - 10_2140_agt_2009_9_1727
ER  -