%0 Journal Article %A K. M. Bregman %T Differentiation algorithm based on the additional variables method %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2013 %P 14-26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSPUI_2013_2_a1/ %G ru %F VSPUI_2013_2_a1