Subgradients of a convex function obtained from a directional derivative

DOI10.2140/pjm.1973.44.739zbMath0251.46050OpenAlexW1984897765MaRDI QIDQ2557026

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Publication date: 1973

Published in: (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2140/pjm.1973.44.739

Mathematics Subject Classification ID

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