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Bounds of the error of Gauss-Turan-type quadratures
(Elsevier, 2005)
On the remainder term of Gauss-Radau quadratures for analytic functions
(Elsevier, 2008)
For analytic functions the remainder term of Gauss–Radau quadrature formulae can be represented as a contour integral with a complex kernel. We study the kernel on elliptic contours with foci at the points and a sum of ...
Quadrature rules with multiple nodes for evaluating integrals with strong singularities
(Elsevier, 2006)
We present a method based on the Chakalov–Popoviciu quadrature formula of Lobatto type, a rather general case of quadrature with multiple nodes, for approximating integrals defined by Cauchy principal values or by Hadamard ...