ARLINGHAUS, William C. Mathematics: What’s Spatial, What’s Not. Quaestiones Geographicae, [S. l.], v. 34, n. 4, p. 79–81, 2015. DOI: 10.1515/quageo-2015-0038. Disponível em: https://pressto.amu.edu.pl/index.php/qg/article/view/quageo-2015-0038. Acesso em: 17 jul. 2024.