@InProceedings{Ring:1998a, author = "Ring, Mark B.", title = "RCC Cannot Compute Certain FSA, Even with Arbitrary Transfer Functions", booktitle = "Advances in Neural Information Processing Systems 10", year = 1998, editor = "Jordan, M. I., and Kearns, M. J., and Solla, Sara A.", pages = "619--625", publisher = "The MIT Press", address = "Cambridge, Massachusetts", }