TY  - JOUR
AU  - Richard P. Stanley
AU  - Fabrizio Zanello
TI  - On the rank function of a differential poset
JO  - The electronic journal of combinatorics
PY  - 2012
VL  - 19
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.37236/2258/
DO  - 10.37236/2258
ID  - 10_37236_2258
ER  -