%0 Journal Article %A V. G. Sushko %T Errors in approximate solutions of Cauchy's problem for a first-order quasilinear equation %J Matematičeskie zametki %D 1970 %P 309-320 %V 8 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1970_8_3_a3/ %G ru %F MZM_1970_8_3_a3