Literature cited
P. M. Tamrazov, “Solid inverse problem of polynomial approximation of functions on a regular compactum,” Izv. Akad. Nauk SSSR, Ser. Matem.,37, No. 1 (1973).
P. M. Tamrazov, “Boundary and solid inverse problems of polynomial approximation of functions for compacta in the plane,” in: Congres International des Mathematiciens, Nice (265 communications individuelles) (1970), pp. 176–177.
P. M. Tamrazov, “Solid inverse theorems of polynomial approximation for regular compacta in the complex plane,” Dokl. Akad. Nauk SSSR,198, No. 3 (1971).
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 28, No. 3, pp. 368–373, May–June, 1976.
In conclusion, the author would like to express his sincere gratitude to P. M. Tamrazov for his guidance.
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Bardzinskii, V.V. Polynomial approximation properties of functions and their derivatives on complex sets. Ukr Math J 28, 286–289 (1976). https://doi.org/10.1007/BF01089176
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DOI: https://doi.org/10.1007/BF01089176