Alkiviadis G. Akritas. Exact Algorithms for the Matrix-Triangularization Subresultant PRS Method. In Erich Kaltofen, Stephen M. Watt, editors, Computers and Mathematics, Third Computers and Mathematics Conference, MIT, Cambridge, Massachusetts, USA, June 13-17, 1989. pages 145-155, Springer, 1989. [doi]
Abstract is missing.