TY  - JOUR
AU  - Jakob Jonsson
TI  - Hard squares with negative activity and rhombus tilings of the plane
JO  - The electronic journal of combinatorics
PY  - 2006
VL  - 13
UR  - http://geodesic.mathdoc.fr/articles/10.37236/1093/
DO  - 10.37236/1093
ID  - 10_37236_1093
ER  -