Über eine Klasse singulärer Integralgleichungen nicht normalen Typs.
On the super-approximation property of Galerkin's method with finite elements.
Quadrature method for singular integral equations on closed curves.
On Spline Galerkin Methods for Singular Integral Equations with Piecewise Continuous Coefficients.
Wavelet approximation methods for pseudodifferential equations: I. Stability and convergence.
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