TY  - JOUR
AU  - N. Calkin
AU  - C. Merino
AU  - S. Noble
AU  - M. Noy
TI  - Improved bounds for the number of forests and acyclic orientations in the square lattice
JO  - The electronic journal of combinatorics
PY  - 2003
VL  - 10
UR  - http://geodesic.mathdoc.fr/articles/10.37236/1697/
DO  - 10.37236/1697
ID  - 10_37236_1697
ER  -