TY - JOUR AU - Prodinger, Helmut TI - Descendants in heap ordered trees or a triumph of computer algebra. JO - The Electronic Journal of Combinatorics [electronic only] PY - 1996 SP - Research paper R29, 9 p. VL - 3 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/EJC_1996__3_1_119229/ LA - en ID - EJC_1996__3_1_119229 ER -