FAHSE, Christian. Vorstellungen zur Null im Kontext der Division durch Null. mathematica didactica , [S. l.], v. 37, n. 1, p. 5–29, 2014. DOI: 10.18716/ojs/md/2014.1118. Disponível em: https://journals.ub.uni-koeln.de/index.php/mathematica_didactica/article/view/1118. Acesso em: 19 mai. 2024.