TY  - JOUR
AU  - Talia Fernós
AU  - Alain Valette
TI  - The Mayer–Vietoris sequence for graphs of groups, property (T), and the first $\ell^2$-Betti number
JO  - Homology, homotopy, and applications
PY  - 2017
SP  - 251
EP  - 274
VL  - 19
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4310/HHA.2017.v19.n2.a13/
DO  - 10.4310/HHA.2017.v19.n2.a13
LA  - en
ID  - HHA_2017_19_2_a12
ER  -