Till Tantau. Logspace Optimisation Problems and their Approximation Properties. Electronic Colloquium on Computational Complexity (ECCC), (077), 2003. [doi]
@article{ECCC-TR03-077, title = {Logspace Optimisation Problems and their Approximation Properties}, author = {Till Tantau}, year = {2003}, url = {http://eccc.hpi-web.de/eccc-reports/2003/TR03-077/index.html}, researchr = {https://researchr.org/publication/ECCC-TR03-077}, cites = {0}, citedby = {0}, journal = {Electronic Colloquium on Computational Complexity (ECCC)}, number = {077}, }