Yaokun Wu, Zeying Xu, Yinfeng Zhu. A five-element transformation monoid on labelled trees. Eur. J. Comb., 80:401-415, 2019. [doi]
@article{WuXZ19-0, title = {A five-element transformation monoid on labelled trees}, author = {Yaokun Wu and Zeying Xu and Yinfeng Zhu}, year = {2019}, doi = {10.1016/j.ejc.2018.07.014}, url = {https://doi.org/10.1016/j.ejc.2018.07.014}, researchr = {https://researchr.org/publication/WuXZ19-0}, cites = {0}, citedby = {0}, journal = {Eur. J. Comb.}, volume = {80}, pages = {401-415}, }