JournalsemVol. 76, No. 3Elemente der MathematikVolume 76, No. 3 (2021)pp. 89–105A natural construction for the real numbersNorbert A’Campopp. 106–114Two remarkable triangles of a triangle and their circumcirclesSándor Nagydobai KissBálint Bírópp. 115–131A matrix viewpoint for various algebraic extensionsGene AbramsPham Ngoc Ánhpp. 132–136Aufgaben
pp. 106–114Two remarkable triangles of a triangle and their circumcirclesSándor Nagydobai KissBálint Bíró
