%0 Journal Article %A G. V. Gusel'nikova %T Conditions for the applicability of {\v C}aplygin's theorem to a certain multipoint linear difference boundary value problem of order $n$ %J Differencialʹnye uravneniâ %D 1971 %P 592-602 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_4_a1/ %G ru %F DE_1971_7_4_a1