TY  - JOUR
AU  - Sergey Kitaev
AU  - Jeffrey Liese
AU  - Jeffrey Remmel
AU  - Bruce E. Sagan
TI  - Rationality, irrationality, and Wilf equivalence in generalized factor order
JO  - The electronic journal of combinatorics
PY  - 2009
VL  - 16
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.37236/88/
DO  - 10.37236/88
ID  - 10_37236_88
ER  -