1. Arrow, K., Hurwicz, L.: Decentralization and computation in resource allocation. In: Pfouts, R. (ed.) Essays in economics and econometrics. Chapel Hill: University of North Carolina Press, 1960
2. Blum, L.: Lectures on a theory of computation and complexity over the reals (or an arbitrary ring). Technical Report TR-89-065, International Computer Science Institute, Perkeley, CA, December 1989
3. Blum, L., Shub, M., Smale, S.: On a theory of computation over the real numbers:NP-completeness, recursive functions, and universal machines. Bull. ACM21, 1?46 (1988)
4. Ecker, J. G., Kupfershmid, J.: The ellipsoid algorithm for nonlinear programming. Math. Prog.27, 83?106 (1983)
5. Ferguson, D. W., Nikolau, C., Yemini, Y.: Microeconomic algorithms for load balancing in distributed computer systems. Proceedings of the 8th International Conference on Distributed Computing Systems, 1988