GILMER, R.; O’MALLEY, M. Non-Noetherian Rings for which Each Proper Subring is Noetherian. MATHEMATICA SCANDINAVICA, [S. l.], v. 31, p. 118–122, 1972. DOI: 10.7146/math.scand.a-11418. Disponível em: https://www.mscand.dk/article/view/11418. Acesso em: 28 apr. 2024.