Ukrainian Mathematical Bulletin

Volume 4, Issue 1, 2007 pp. 117-151.

On Extremal Problems of Approximation Theory in Linear Spaces. Part I$^{^{ 1}}$

Authors: Aleksandr I. Stepanets
Author institution: Institute of Mathematics of the National Academy of Sciences of Ukraine, ul. Tereshchenkovskaya 3, 01601, Kiev-4, Ukraine, step@imath.kiev.ua

Summary: We give a survey of the results related to constructing an approximation theory in arbitrary linear spaces.

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