Alexander Kuznetsov, Igor Pak, Alexander Postnikov. Trees Associated with the Motzkin Numbers. Journal of Combinatorial Theory, Series A, 76(1):145-147, 1996. [doi]
@article{KuznetsovPP96,
title = {Trees Associated with the Motzkin Numbers},
author = {Alexander Kuznetsov and Igor Pak and Alexander Postnikov},
year = {1996},
doi = {10.1006/jcta.1996.0094},
url = {http://dx.doi.org/10.1006/jcta.1996.0094},
researchr = {https://researchr.org/publication/KuznetsovPP96},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {76},
number = {1},
pages = {145-147},
}