TY  - JOUR
AU  - Herzog, Jürgen
AU  - Hibi, Takayuki
AU  - Ohsugi, Hidefumi
TI  - Unmixed bipartite graphs and sublattices of the Boolean lattices
JO  - Journal of Algebraic Combinatorics
PY  - 2009
SP  - 415
EP  - 420
VL  - 30
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JAC_2009__30_4_a9/
LA  - en
ID  - JAC_2009__30_4_a9
ER  -