@article{dmtcs:1428, title = {Postorder Preimages}, author = {Colin Defant}, url = {https://dmtcs.episciences.org/1428}, doi = {10.23638/DMTCS-19-1-3}, journal = {Discrete Mathematics \& Theoretical Computer Science}, issn = {1365-8050}, volume = {Vol. 19 no. 1}, issuetitle = {Combinatorics}, eid = 3, year = {2017}, month = {Feb}, keywords = {Mathematics - Combinatorics, 05A19, 05C05}, }