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Additional information
Moscow State University. Translated from Matematicheskie Zametki, Vol. 56, No. 6, pp. 64–87, December, 1994.
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Tsar'kov, I.G. Linear methods in some smoothing problems. Math Notes 56, 1255–1270 (1994). https://doi.org/10.1007/BF02266694
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DOI: https://doi.org/10.1007/BF02266694