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This work was supported by Crant No. 2-16-424 of the Russian State Committee for Higher Education.
Translated from Matematicheskie Zametki, Vol. 55, No. 4, pp. 104–113, April, 1994.
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Khavinson, S.J. On interpolation properties of exterior functions in Kolmogorov superpositions. Math Notes 55, 406–412 (1994). https://doi.org/10.1007/BF02112481
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DOI: https://doi.org/10.1007/BF02112481