Juris Hartmanis, Lane A. Hemachandra. Complexity Classes without Machines: On Complete Languages for UP. Theoretical Computer Science, 58:129-142, 1988.
@article{HartmanisH88:0,
title = {Complexity Classes without Machines: On Complete Languages for UP},
author = {Juris Hartmanis and Lane A. Hemachandra},
year = {1988},
tags = {completeness},
researchr = {https://researchr.org/publication/HartmanisH88%3A0},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {58},
pages = {129-142},
}