An arithmetic for non-size-increasing polynomial-time computation.

Klaus Aehlig Ulrich Berger Martin Hofmann Helmut Schwichtenberg An arithmetic for non-size-increasing polynomial-time computation. 3-27 2004 318 Theor. Comput. Sci. 1-2 http://dx.doi.org/10.1016/j.tcs.2003.10.023 db/journals/tcs/tcs318.html#AehligBHS04