PROKOPOVÁ, M. Some remarks about pupils’ concept of a point. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 3, p. 201–205, 2003. Disponível em: https://studmath.uken.krakow.pl/article/view/13489. Acesso em: 30 oct. 2026.