DUNG, N. V. A note on hereditary rings or non-singular rings with chain condition. MATHEMATICA SCANDINAVICA, [S. l.], v. 66, p. 301–306, 1990. DOI: 10.7146/math.scand.a-12313. Disponível em: https://www.mscand.dk/article/view/12313. Acesso em: 4 may. 2024.