%0 Journal Article %A E. A. Volkov %T Pointwise error estimates of the difference solution of a boundary value problem for an ordinary differential equation %J Differencialʹnye uravneniâ %D 1973 %P 717-726 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_4_a15/ %G ru %F DE_1973_9_4_a15