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Additional information
Translated from Sibirskii Matematicheskii Zhurnal, Vol. 12, No. 5, pp. 1151–1157, September–October, 1971.
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Oskolkov, K.I. On the norm of a polynomial operator. Sib Math J 12, 828–833 (1971). https://doi.org/10.1007/BF00966524
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DOI: https://doi.org/10.1007/BF00966524