TY  - JOUR
AU  - Ruelle, David
TI  - Counting unbranched subgraphs
JO  - Journal of Algebraic Combinatorics
PY  - 1999
SP  - 157
EP  - 160
VL  - 9
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JAC_1999__9_2_a2/
LA  - en
ID  - JAC_1999__9_2_a2
ER  -