TY - JOUR AU - Panholzer, Alois AU - Prodinger, Helmut TI - Descendants and ascendants in binary trees JO - Discrete mathematics & theoretical computer science PY - 1997 VL - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.246/ DO - 10.46298/dmtcs.246 LA - en ID - DMTCS_1997_1_a15 ER -