%0 Journal Article %A D. A. Popov %A D. V. Sushko %T Convergence of algorithms for the numerical solution of a %J Doklady Akademii Nauk %D 1990 %P 309-313 %V 315 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_315_2_a12/ %G ru %F DAN_1990_315_2_a12