Media type: E-Article Title: Convexity Properties of Generalized Mean Value Functions Contributor: Beckenbach, E. F. Published: Institute of Mathematical Statistics, 1942 Published in: The Annals of Mathematical Statistics, 13 (1942) 1, Seite 88-90 Language: English ISSN: 0003-4851 Keywords: Notes Origination: Footnote: Access State: Open Access