Błaszczyk, P. “Nota O Rozprawie Richarda Dedekinda Stetigkeit Und Irrationale Zahlen”. Annales Universitatis Paedagogicae Cracoviensis | Studia Ad Didacticam Mathematicae Pertinentia, vol. 9, no. 1, June 2018, pp. 153-68, https://didacticammath.uken.krakow.pl/article/view/4318.