SINGH, S.; MOHAMMAD, A. Rings in which every Finitely Generated Left Ideal is Quasi-Projective. The Journal of the Indian Mathematical Society, [S. l.], v. 40, n. 1-4, p. 195–205, 1976. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/16625. Acesso em: 28 apr. 2024.