%0 Journal Article %A A. I. Tuzik %T Solvability of a discrete equation of convolution type with variable coefficients %J Differencialʹnye uravneniâ %D 1989 %P 1462-1464 %V 25 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_8_a29/ %G ru %F DE_1989_25_8_a29