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The research was financially supported by the Russian Foundation for Basic Research (Grant 96-05-65941).
Novosibirsk. Translated fromSibirskiî Matematicheskiî Zhurnal, Vol. 41, No. 4, pp. 777–791, July–August, 2000.
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Voronin, V.V. Estimation of the condition number of a matrix in the direct discretization of the symm equation on a quasi-uniform grid. Sib Math J 41, 643–655 (2000). https://doi.org/10.1007/BF02679690
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DOI: https://doi.org/10.1007/BF02679690