%0 Journal Article %A L. F. Rakhmatullina %A A. G. Terent'ev %T On the question of the regularization of linear boundary value problems %J Differencialʹnye uravneniâ %D 1973 %P 868-873 %V 9 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_5_a9/ %G ru %F DE_1973_9_5_a9