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Translated from Matematicheskie Zametki, Vol. 50, No. 2, pp. 131–141, August, 1991.
In conclusion, the author would like to thank Professor A. A. Zhensykbaev for his attention to this paper and a large number of useful remarks.
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Tishkin, E.V. Snake theorems for monosplines with multiple nodes. Mathematical Notes of the Academy of Sciences of the USSR 50, 861–869 (1991). https://doi.org/10.1007/BF01157576
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DOI: https://doi.org/10.1007/BF01157576