JournalsemVol. 72, No. 2Volume 72, No. 2 (2017) Elemente der Mathematikpp. 45–61Die Gregorianische Kalenderreform, Teil 1Claudia AlbertiniMartin Huberpp. 62–65A note on Sassenfeld matricesRamona BaumannThomas P. Wihlerpp. 66–74An effective approach for integer partitions using exactly two distinct sizes of partsNesrine Benyahia-TaniOmar KihelSadek Bouroubipp. 75–79Triangles with sides in arithmetic progressionKentaro MikamiJun O'HaraKunio Sugaharapp. 80–82On the proof of Ptolemy’s LemmaĐura PaunićGerhard Wannerpp. 83–86Aufgabenpp. 87–88Rezensionen
pp. 66–74An effective approach for integer partitions using exactly two distinct sizes of partsNesrine Benyahia-TaniOmar KihelSadek Bouroubi