Armin Hemmerling. Observations on complete sets between linear time and polynomial time. Inf. Comput., 209(2):173-182, 2011. [doi]
@article{Hemmerling11, title = {Observations on complete sets between linear time and polynomial time}, author = {Armin Hemmerling}, year = {2011}, doi = {10.1016/j.ic.2010.11.027}, url = {http://dx.doi.org/10.1016/j.ic.2010.11.027}, tags = {completeness}, researchr = {https://researchr.org/publication/Hemmerling11}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {209}, number = {2}, pages = {173-182}, }