JournalsemVol. 76, No. 3Volume 76, No. 3 (2021) Elemente der Mathematikpp. 89–105A natural construction for the real numbersNorbert A’CampoDOI 10.4171/EM/455pp. 106–114Two remarkable triangles of a triangle and their circumcirclesSándor Nagydobai KissBálint BíróDOI 10.4171/EM/431pp. 115–131A matrix viewpoint for various algebraic extensionsGene AbramsPham Ngoc ÁnhDOI 10.4171/EM/430pp. 132–136AufgabenDOI 10.4171/EM/460
pp. 106–114Two remarkable triangles of a triangle and their circumcirclesSándor Nagydobai KissBálint BíróDOI 10.4171/EM/431
pp. 115–131A matrix viewpoint for various algebraic extensionsGene AbramsPham Ngoc ÁnhDOI 10.4171/EM/430