TY  - JOUR
AU  - Llamas, Aurora
AU  - Martínez–Bernal, Josá
TI  - Cover Product and Betti Polynomial of Graphs
JO  - Canadian mathematical bulletin
PY  - 2015
SP  - 320
EP  - 333
VL  - 58
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2015-013-3/
DO  - 10.4153/CMB-2015-013-3
ID  - 10_4153_CMB_2015_013_3
ER  -