JÁN. Summe einer unendlichen geometrischen Reihe im Mathematikunterricht. Teaching Mathematics and Computer Science, [S. l.], v. 7, n. 2, p. 229–240, 2009. DOI: 10.5485/TMCS.2009.0234. Disponível em: https://ojs.lib.unideb.hu/tmcs/article/view/14857. Acesso em: 22 nov. 2024.