Citations of

(with J.W. Guo) Bijections behind the Ramanujan polynomials, Adv. Appl. Math., 27 (2001), 336¨C356.


  1. F. Chapoton, On a Hopf operad containing the poisson operad, Algebraic and Geometric Topology, 3 (2003) 1257-1273.

  2. Ira M. Gessel, Brian Drake, and Guoce Xin, Three proofs of the Goulden-Litsyn-Shevelev conjecture on a sequence arising in algebraic, arXiv:math.CO/0609071.

  3. Ira M. Gessel and S. Seo, A Refinement of Cayley¡¯s Formula for Trees, Electron. J. Combin., 11(2) (2006) R27.

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