Noam Zeilberger. A sequent calculus for a semi-associative law. Logical Methods in Computer Science, 15(1), 2019. [doi]
@article{Zeilberger19, title = {A sequent calculus for a semi-associative law}, author = {Noam Zeilberger}, year = {2019}, url = {https://lmcs.episciences.org/5167}, researchr = {https://researchr.org/publication/Zeilberger19}, cites = {0}, citedby = {0}, journal = {Logical Methods in Computer Science}, volume = {15}, number = {1}, }