JournalsemVol. 76, No. 1Volume 76, No. 1 (2021) Elemente der Mathematikpp. 1–9A colouring problem for the dodecahedral graphEndre Makai, Jr.Tibor Tarnaipp. 10–16Special orthogonal integer bases and representations by sums of squaresPeter Thurnheerpp. 17–27Lügner und die Gruppe (Z2)n(\mathbb{Z}_2)^n(Z2)nEhrhard Behrendspp. 28–32Infinitude of primes: Euclid’s proof using angles between lattice vectorsDario T. de Castropp. 33–37Maclaurin series by integrationMehdi HassaniMahtab Ketabipp. 38–39A proof of the fundamental theorem of algebra using Hurwitz’s theoremMohammad Gholamzadeh Mahmoudipp. 40–44Aufgaben
pp. 38–39A proof of the fundamental theorem of algebra using Hurwitz’s theoremMohammad Gholamzadeh Mahmoudi
