JournalsemVol. 75, No. 3Volume 75, No. 3 (2020) Elemente der Mathematikpp. 89–102Ratios, roots, and means: A quartet of convergence testsChristopher N.B. Hammondpp. 103–113Characteristics of modulo one sequencesYasanthi KottegodaAngela MastropietroShirley Duongpp. 114–120An application of Euclidean algorithm in cryptanalysis of RSADimitrios Poulakispp. 121–124Mixtilinear radii and Finsler–Hadwiger inequalityMartin LukarevskiGerhard Wannerpp. 125–128A proof of the Schwarz theorem on mixed partial derivatives via elementary approximation theoryAndré Pierro de Camargopp. 129–134Aufgabenpp. 135–136Rezensionen
pp. 125–128A proof of the Schwarz theorem on mixed partial derivatives via elementary approximation theoryAndré Pierro de Camargo
