Pieter J. W. Hofstra, J. Robin B. Cockett. Unitary Theories, Unitary Categories. Electronic Notes in Theoretical Computer Science, 265:11-33, 2010. [doi]
@article{HofstraC10, title = {Unitary Theories, Unitary Categories}, author = {Pieter J. W. Hofstra and J. Robin B. Cockett}, year = {2010}, doi = {10.1016/j.entcs.2010.08.003}, url = {http://dx.doi.org/10.1016/j.entcs.2010.08.003}, researchr = {https://researchr.org/publication/HofstraC10}, cites = {0}, citedby = {0}, journal = {Electronic Notes in Theoretical Computer Science}, volume = {265}, pages = {11-33}, }