%0 Journal Article %A I. K. Rystsov %T A lower bound for the time of addition of two numbers %J Doklady Akademii Nauk %D 1989 %P 290-292 %V 306 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_306_2_a7/ %G ru %F DAN_1989_306_2_a7