%0 Journal Article %A I. F. Obraztsov %A A. D. Gvishiani %A V. A. Gurvich %T Calculation of schemes by the algorithms ``rudder'' and %J Doklady Akademii Nauk %D 1990 %P 1316-1321 %V 314 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_314_6_a8/ %G ru %F DAN_1990_314_6_a8