WILKINSON, A. C. L. On Tetrahedral Co-ordinates. The Journal of the Indian Mathematical Society, [S. l.], v. 5, n. 2, p. 43–55, 1913. DOI: 10.18311/jims/1913/17712. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/17712. Acesso em: 2 may. 2024.