%0 Journal Article %A A. D. Lyashko %A E. M. Fedotov %T Investigation of nonlinear two-layer operator-difference schemes with weights %J Differencialʹnye uravneniâ %D 1985 %P 1217-1227 %V 21 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_7_a13/ %G ru %F DE_1985_21_7_a13