%0 Journal Article %A V. V. Ostapenko %T Approximation of conservation laws by difference schemes of double %J Doklady Akademii Nauk %D 1990 %P 1348-1352 %V 313 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_313_6_a15/ %G ru %F DAN_1990_313_6_a15