SAYED AHMED, Tarek. Lifting Results for Finite Dimensions to the Transfinite in Systems of Varieties Using Ultraproducts. Bulletin of the Section of Logic, [S. l.], v. 53, n. 2, p. 145–154, 2024. DOI: 10.18778/0138-0680.2024.02. Disponível em: https://czasopisma.uni.lodz.pl/bulletin/article/view/14031. Acesso em: 3 jul. 2024.