%0 Journal Article %A V. S. Godlevs'kii %T A certain estimate of the accuracy of the solution of certain systems of linear algebraic equations %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1973 %P 233-237 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1973_13_1_a23/ %G ru %F ZVMMF_1973_13_1_a23