%0 Journal Article %A S. G. Michlin %T Error estimates of A.I.~Koshelev's universal process for finite-dimensional systems of equations %J Zapiski Nauchnykh Seminarov POMI %D 1987 %P 128-131 %V 159 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1987_159_a12/ %G ru %F ZNSL_1987_159_a12