TY  - JOUR
AU  - R. P. Anstee
AU  - Linyuan Lu
TI  - Repeated columns and an old chestnut
JO  - The electronic journal of combinatorics
PY  - 2013
VL  - 20
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.37236/3345/
DO  - 10.37236/3345
ID  - 10_37236_3345
ER  -