TY  - JOUR
AU  - Padmini Mukkamala
AU  - János Pach
AU  - Dömötör Pálvölgyi
TI  - Lower bounds on the obstacle number of graphs
JO  - The electronic journal of combinatorics
PY  - 2012
VL  - 19
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.37236/2380/
DO  - 10.37236/2380
ID  - 10_37236_2380
ER  -