TY  - JOUR
AU  - William Y.C. Chen
AU  - Oliver X.Q. Gao
AU  - Peter L. Guo
TI  - On Han's hook length formulas for trees
JO  - The electronic journal of combinatorics
PY  - 2011
VL  - 18
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.37236/642/
DO  - 10.37236/642
ID  - 10_37236_642
ER  -