We present a survey of results obtained by the author, his disciples, and other mathematicians and related to the problem of finding the best approximations of functions in the investigation of properties of spaces of functions defined on zero-dimensional compact commutative groups.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 64, No. 5, pp. 719–728, May, 2012.
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Timan, M.F. On the best approximations of functions defined on zero-dimensional groups. Ukr Math J 64, 823–834 (2012). https://doi.org/10.1007/s11253-012-0681-6
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DOI: https://doi.org/10.1007/s11253-012-0681-6