Volume 72, No. 2 (2017)
Elemente der Mathematik
pp. 45–61 Die Gregorianische Kalenderreform, Teil 1Claudia AlbertiniMartin Huber
DOI 10.4171/EM/324pp. 62–65 A note on Sassenfeld matricesRamona BaumannThomas P. Wihler
DOI 10.4171/EM/325pp. 66–74 An effective approach for integer partitions using exactly two distinct sizes of partsNesrine Benyahia-TaniSadek BouroubiOmar Kihel
DOI 10.4171/EM/326pp. 75–79 Triangles with sides in arithmetic progressionKentaro MikamiJun O'HaraKunio Sugahara
DOI 10.4171/EM/327pp. 80–82 On the proof of Ptolemy’s LemmaĐura PaunićGerhard Wanner
DOI 10.4171/EM/328pp. 83–86 DOI 10.4171/EM/329Aufgabenpp. 87–88 RezensionenPaul Jolissaint
DOI 10.4171/EM/330