BYRUM, C. Stephen. Chasing After Pi: A Re-interpretation of "Why?". Journal of Formal Axiology: Theory and Practice, [S. l.], v. 6, p. 15–38, 2013. DOI: 10.67945/jfa.v6i.112. Disponível em: https://journal.hartmaninstitute.org/index.php/jfa/article/view/112. Acesso em: 13 nov. 2026.