A functional inequality characterizing convex functions, conjugacy and a generalization of Hölder's and Minkowski's inequalities,
1990,
Janusz Matkowski ,
Aequationes Mathematicae, Vol. 40, no 2-3, 168--180, ISSN: 0001-9054, eISSN: 1420-8903,
bibliogr.
summ.
Kod: CZR-JCR
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(pkt. 6)