TY - JOUR AU - S. A. Voitsekhovskii AU - V. L. Makarov AU - Yu. I. Rybak TI - 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 $q_\alpha(x)\in W_\infty^{\lambda|\alpha|}(\Omega)$, $\lambda\in(0,1]$ JO - Differencialʹnye uravneniâ PY - 1988 SP - 1987 EP - 1994 VL - 24 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1988_24_11_a15/ LA - ru ID - DE_1988_24_11_a15 ER -