Yu. V. Kobylinskii, T. L. Popkova, G. Ya. Slepyan, “The method of non-orthogonal series for the numerical solution of problems of mathematical physics”, Zh. Vychisl. Mat. Mat. Fiz., 28:2 (1988), 237–246; U.S.S.R. Comput. Math. Math. Phys., 28:1 (1988), 154–160
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