Numerical methods

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 $q_\alpha(x)\in W_\infty^{\lambda|\alpha|}(\Omega)$, $\lambda\in(0,1]$

S. A. Voitsekhovskii, V. L. Makarov, Yu. I. Rybak

National Taras Shevchenko University of Kyiv

UDC: 519.632.4

Received: 16.02.1987

 English version: Differential Equations, 1988, 24:11, 1338–1344

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