%0 Journal Article %A V. A. Il'in %A E. I. Moiseev %T A nonlocal boundary value problem of the first kind for the Sturm--Liouville operator in differential and difference interpretations %J Differencialʹnye uravneniâ %D 1987 %P 1198-1207 %V 23 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_7_a10/ %G ru %F DE_1987_23_7_a10