NIKOURAVAN, M. A Short History of Imaginary Numbers: Mathematics. International Journal of Fundamental Physical Sciences, [S. l.], v. 9, n. 1, p. 1-5, 2019. DOI: 10.14331/ijfps.2019.330121. Disponível em: https://www.fundamentaljournals.org/index.php/ijfps/article/view/32. Acesso em: 1 dec. 2021.