Ker-I Ko. Relativized polynomial time hierarchies having exactly K levels. In Proceedings: Third Annual Structure in Complexity Theory Conference, Georgetown University, Washington, D. C., USA, June 14-17, 1988. IEEE Computer Society, 1988. [doi]
@inproceedings{Ko88-0, title = {Relativized polynomial time hierarchies having exactly K levels}, author = {Ker-I Ko}, year = {1988}, doi = {10.1109/SCT.1988.5284}, url = {http://dx.doi.org/10.1109/SCT.1988.5284}, researchr = {https://researchr.org/publication/Ko88-0}, cites = {0}, citedby = {0}, booktitle = {Proceedings: Third Annual Structure in Complexity Theory Conference, Georgetown University, Washington, D. C., USA, June 14-17, 1988}, publisher = {IEEE Computer Society}, isbn = {0-8186-0794-7}, }