MOONEY, Christopher Park; WANG, Ying. On tau U-irreducible elements in strongly associate rings. Minnesota Journal of Undergraduate Mathematics, [S.l.], v. 4, n. 1, oct. 2018. ISSN 2378-5810. Available at: <https://mjum.math.umn.edu/index.php/mjum/article/view/59>. Date accessed: 19 sep. 2019.