AMIRI, S. J.; ROSTAMI, H. The Probability That an Ordered Pair of Elements is an Engel Pair. Journal of the Indonesian Mathematical Society, [S. l.], v. 25, n. 2, p. 121–127, 2019. DOI: 10.22342/jims.25.2.693.121-127. Disponível em: http://jims-a.org/index.php/jimsa/article/view/693. Acesso em: 29 apr. 2024.