%0 Journal Article %A G. V. Gusel'nikova %T Theorems on difference inequalities for a multi-point boundary value problem that differs from the de la Vall\'ee Poussin problem %J Differencialʹnye uravneniâ %D 1970 %P 311-319 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_2_a9/ %G ru %F DE_1970_6_2_a9