Abstract
In this article we consider relations between different classes of “suns.” A sufficient condition for a set to be a “sun” is given.
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Translated from Matematicheskie Zametki, Vol. 13, No. 6, pp. 795–805, June, 1973.
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Vlasov, L.P. “Solar” properties of sets in Banach spaces. Mathematical Notes of the Academy of Sciences of the USSR 13, 477–482 (1973). https://doi.org/10.1007/BF01163954
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DOI: https://doi.org/10.1007/BF01163954