On (log-) convexity of power mean
Annales mathematicae et informaticae, Tome 42 (2013), pp. 3-7.

Voir la notice de l'article provenant de la source Annales Mathematica et Informaticae website

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     title = {On (log-) convexity of power mean},
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     year = {2013},
     language = {en},
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Antal Bege; József Bukor; János T. Tóth. On (log-) convexity of power mean. Annales mathematicae et informaticae, Tome 42 (2013), pp. 3-7. http://geodesic.mathdoc.fr/item/AMI_2013_42_a0/