HAKOBYAN, T.A. TRANSITIVE HYPERIDENTITY IN SEMIGROUPS. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 50, n. 3 (241), p. 52–55, 2016. DOI: 10.46991/PYSU:A/2016.50.3.052. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol50_no3_2016_pp052-055. Acesso em: 23 jul. 2024.