TY  - JOUR
AU  - Mark Dukes
AU  - Robert Parviainen
TI  - Ascent sequences and upper triangular matrices containing non-negative integers
JO  - The electronic journal of combinatorics
PY  - 2010
VL  - 17
UR  - http://geodesic.mathdoc.fr/articles/10.37236/325/
DO  - 10.37236/325
ID  - 10_37236_325
ER  -