MADHUSUDHANARAO, D.; SIVAPRASAD, P.; RAO, G. S. A STUDY ON STRUCTURE OF PO-TERNARY SEMIRINGS. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 10, n. 8, p. 3717–3724, 2015. DOI: 10.24297/jam.v10i8.1852. Disponível em: https://rajpub.com/index.php/jam/article/view/1852. Acesso em: 3 jul. 2024.