%0 Journal Article %A V. E. Troshchiev %A A. V. Nifanova %T Characteristic tube approach to analysis of DSn-method and to constructing new finite-difference schemes on Sn-nets %J Matematičeskoe modelirovanie %D 2006 %P 24-42 %V 18 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_2006_18_7_a1/ %G ru %F MM_2006_18_7_a1