%0 Journal Article %A G. K. Berikelashvili %T On the rate of convergence of a difference solution of the first boundary value problem for a fourth-order elliptic equation %J Differencialʹnye uravneniâ %D 1999 %P 958-963 %V 35 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_7_a11/ %G ru %F DE_1999_35_7_a11