TY - JOUR AU - Defant, Colin TI - Postorder Preimages JO - Discrete mathematics & theoretical computer science PY - 2017-2018 VL - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.23638/DMTCS-19-1-3/ DO - 10.23638/DMTCS-19-1-3 LA - en ID - DMTCS_2017_19_1_a0 ER -