%0 Journal Article %A P. D. Lax %T On the stability of difference approximations to solutions of hyperbolic equations with variable coefficients %J Matematika %D 1962 %P 67-88 %V 6 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1962_6_3_a4/ %G ru %F MAT_1962_6_3_a4