DAVIDOV, Sergey. An Embedding Theorem for Medial $\bf n$-ary Groupoid with Cancellation. Armenian Journal of Mathematics, Yerevan, Armenia, v. 7, n. 2, p. 183–193, 2015. Disponível em: https://armjmath.sci.am/index.php/ajm/article/view/119. Acesso em: 3 apr. 2025.