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Translated from Sibirskii Matematicheskii Zhurnal, Vol. 16, No. 4, pp. 820–829, July–August, 1975.
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Sedletskii, A.M. Expansions in exponential functions. Sib Math J 16, 628–635 (1975). https://doi.org/10.1007/BF00967137
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DOI: https://doi.org/10.1007/BF00967137