Some symbolic computing links to the NAG numeric library. - Kevin A. Broughan; G. Keady; T. D. Robb; M. G. Richardson; Michael C. Dewar (SIGSAM Bull., 1991)

An Application of IRENA to Systems of Nonlinear Equations Arising in Equilibrium Flows in Networks.. - G. Keady; M. G. Richardson (ISSAC, 1993)