TEAM, S. Transformation Tolerance Hypergroups: S. Hoskova, J. Chvalina. Thai Journal of Mathematics, [S. l.], v. 4, n. 1, p. 63–72, 2006. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/37. Acesso em: 29 apr. 2024.