W.Y.C. Chen, O.X.Q. Gao and P.L. Guo,
On Han's hook length formulas for trees,
Electron. J. Combin. 18 (2011) #P155.
Cited by
W.Y.C. Chen, O.X.Q. Gao and P.L. Guo,
On Han's hook length formulas for trees,
Electron. J. Combin. 18 (2011) #P155.
Cited by