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Translated from Matematicheskie Zametki, Vol. 34, No. 1, pp. 9–29, July, 1983.

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Arestov, V.V. Approximation of invariant operators. Mathematical Notes of the Academy of Sciences of the USSR 34, 489–499 (1983). https://doi.org/10.1007/BF01160861

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  • DOI: https://doi.org/10.1007/BF01160861

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