TY - JOUR AU - Ricky X. F. Chen TI - A refinement of the formula for \(k\)-ary trees and the Gould-Vandermonde's convolution JO - The electronic journal of combinatorics PY - 2008 VL - 15 UR - http://geodesic.mathdoc.fr/articles/10.37236/776/ DO - 10.37236/776 ID - 10_37236_776 ER -