Edward L. Robertson. Complexity Classes of Partial Recursive Functions (Preliminary Version). In Conference Record of Third Annual ACM Symposium on Theory of Computing, 1971, Shaker Heights, Ohio, USA. pages 258-266, ACM, 1971.
@inproceedings{Robertson71, title = {Complexity Classes of Partial Recursive Functions (Preliminary Version)}, author = {Edward L. Robertson}, year = {1971}, researchr = {https://researchr.org/publication/Robertson71}, cites = {0}, citedby = {0}, pages = {258-266}, booktitle = {Conference Record of Third Annual ACM Symposium on Theory of Computing, 1971, Shaker Heights, Ohio, USA}, publisher = {ACM}, }