Convexity of Chebyshev sets with respect to tangent directions

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Veröffentlicht in:	Russian mathematical surveys 2018-04, Vol.73 (2), p.366-368
Hauptverfasser:	Alimov, A. R., Shchepin, E. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chebyshev approximation Convexity
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source	IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection
subjects	Chebyshev approximation Convexity
title	Convexity of Chebyshev sets with respect to tangent directions
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