1. On a Theory of Computation and Complexity over the Real Numbers: NP Completeness, Recursive Functions and Universal Machines;Blum;Int. Comp. Sci. Inst., Berkeley, TR-88-012,1988
2. On a Theory of Computation and Complexity over the Real Numbers: NP Completeness, Recursive Functions and Universal Machines;Blum;Bull. Amer. Math. Soc.,1988
3. The Computational Complexity of Algebraic and Numeric Problems;Borodin,1975
4. ϵ-Entropy and ϵ-capacity of sets in functional spaces;Kolmogorov;Uspekhi Mat. Nauk.,1959
5. ϵ-Entropy and ϵ-capacity of sets in functional spaces;Kolmogorov;Amer. Math. Sci. Transl. (2),1959