TY  - JOUR
AU  - Helmut Prodinger
TI  - Descendants in heap ordered trees or a triumph of computer algebra
JO  - The electronic journal of combinatorics
PY  - 1996
VL  - 3
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.37236/1253/
DO  - 10.37236/1253
ID  - 10_37236_1253
ER  -