Mark Sofroniou Giulia Spaletta Increment formulations for rounding error reduction in the numerical solution of structured differential systems. 375-383 2003 19 Future Generation Comp. Syst. 3 http://dx.doi.org/10.1016/S0167-739X(02)00164-4 db/journals/fgcs/fgcs19.html#SofroniouS03