Citations of

William Y.C. Chen, Nelson Y. Li and Louis W. Shapiro, The Butterfly Decomposition of Plane Trees,, Discrete Appl. Math., **155** (17) (2007) 2187–2201.

Citations of

William Y.C. Chen, Nelson Y. Li and Louis W. Shapiro, The Butterfly Decomposition of Plane Trees,, Discrete Appl. Math., **155** (17) (2007) 2187–2201.