SIKKO, S. A.; SMALO, S. O. Coherent Rings and Homologically Finite Subcategories. MATHEMATICA SCANDINAVICA, [S. l.], v. 77, p. 175–183, 1995. DOI: 10.7146/math.scand.a-12558. Disponível em: https://www.mscand.dk/article/view/12558. Acesso em: 5 may. 2024.