%0 Journal Article %A S. A. Voitsekhovskii %A V. L. Makarov %A Yu. I. Rybak %T Estimates for the rate of convergence of the difference approximation of the Dirichlet problem for the equation $-\Delta u+\sum_{|\alpha|\le1}(-1)^{|\alpha|}D^\alpha q_\alpha(x)u=f(x)$ for $q_\alpha(x)\in W_\infty^{\lambda|\alpha|}(\Omega)$, $\lambda\in(0,1]$ %J Differencialʹnye uravneniâ %D 1988 %P 1987-1994 %V 24 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_11_a15/ %G ru %F DE_1988_24_11_a15