Volume 75, No. 1 (2020)
Elemente der Mathematik
pp. 1–14 A unifying framework for generalizations of the Eneström–Kakeya theoremA. Melman
pp. 15–22 Logical equivalence of the fundamental theorems on operators between Banach spacesFriederike LiebaugKarlheinz Spindler
pp. 23–31 Mittelwerte als MinimaAlfred Schreiber
pp. 32–36 Inequalities of Levin–Stečkin, Clausing and Chebyshev revisitedAlfred Witkowski
pp. 37–43 Aufgabenp. 44 RezensionenMartin Jakob