Philip M. Spira, Michael A. Arbib. Computation Times for Finite Groups, Semigroups and Automata. In Conference Record of 1967 Eighth Annual Symposium on Switching and Automata Theory, 18-20 October 1967, Austin, Texas, USA. pages 291-295, IEEE, 1967.
@inproceedings{SpiraA67, title = {Computation Times for Finite Groups, Semigroups and Automata}, author = {Philip M. Spira and Michael A. Arbib}, year = {1967}, researchr = {https://researchr.org/publication/SpiraA67}, cites = {0}, citedby = {0}, pages = {291-295}, booktitle = {Conference Record of 1967 Eighth Annual Symposium on Switching and Automata Theory, 18-20 October 1967, Austin, Texas, USA}, publisher = {IEEE}, }