Ker-I Ko, Harvey Friedman. Computational Complexity of Real Functions. Theoretical Computer Science, 20:323-352, 1982.
@article{KoF82, title = {Computational Complexity of Real Functions}, author = {Ker-I Ko and Harvey Friedman}, year = {1982}, researchr = {https://researchr.org/publication/KoF82}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {20}, pages = {323-352}, }