%0 Journal Article %A A. I. Sukhinov %A A. E. Chistyakov %A E. A. Protsenko %A A. M. Atayan %T Linear combination of the Upwind and Standard Leapfrog difference schemes with weight coefficients, obtained by minimizing the approximation error %J Čebyševskij sbornik %D 2020 %P 243-256 %V 21 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2020_21_4_a20/ %G ru %F CHEB_2020_21_4_a20