JournalsemVol. 67, No. 2Volume 67, No. 2 (2012) Elemente der Mathematikpp. 45–50Elementarisierung von Benkos Lösung des 3. Hilbertschen ProblemsErich Ch. Wittmannpp. 51–60Elementary Trigonometric Sums related to Quadratic ResiduesAbdallah LaradjiMaurice MignotteNikos Tzanakispp. 61–67A simple counterexample to Havil’s “reformulation” of the Riemann HypothesisJonathan Sondowpp. 68–83Iterative geometric triangle transformationsDimitris VartziotisSimon Huggenbergerpp. 84–87Aufgabenp. 88Rezensionen
pp. 51–60Elementary Trigonometric Sums related to Quadratic ResiduesAbdallah LaradjiMaurice MignotteNikos Tzanakis