Cotorsion Dimension of Weak Crossed Products. Communications in Mathematical Research, [S. l.], v. 34, n. 2, p. 133–140, 2019. DOI: 10.13447/j.1674-5647.2018.02.05. Disponível em: https://gsp.tricubic.dev/cmr/article/view/8958. Acesso em: 15 mar. 2026.