%0 Journal Article %A V. L. Makarov %A A. A. Samarskii %T Exact three-point difference schemes for second-order nonlinear %J Doklady Akademii Nauk %D 1990 %P 795-800 %V 312 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_312_4_a4/ %G ru %F DAN_1990_312_4_a4