%0 Journal Article %A E. A. Volkov %T Effective error estimates for difference solutions of boundary value problems in ordinary differential equations %J Informatics and Automation %D 1971 %P 141-151 %V 112 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1971_112_a9/ %G ru %F TRSPY_1971_112_a9