Elmar Böhler. On the Lattice of Clones Below the Polynomial Time Functions. Electronic Colloquium on Computational Complexity (ECCC), (028), 2005. [doi]
@article{ECCC-TR05-028, title = {On the Lattice of Clones Below the Polynomial Time Functions}, author = {Elmar Böhler}, year = {2005}, url = {http://eccc.hpi-web.de/eccc-reports/2005/TR05-028/index.html}, researchr = {https://researchr.org/publication/ECCC-TR05-028}, cites = {0}, citedby = {0}, journal = {Electronic Colloquium on Computational Complexity (ECCC)}, number = {028}, }