%0 Journal Article %A A. A. Aizikovich %T A non-oscillation criterion for a system of difference equations %J Differencialʹnye uravneniâ %D 1982 %P 1072-1073 %V 18 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_6_a17/ %G ru %F DE_1982_18_6_a17