MICHAILOV, I.; DIMITROV, I.; IVANOV, I. Noether’s Problem for Abelian Extensions of Cyclic p-groups of Nilpotency Class 2. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 75, n. 3, p. 232–330, 2022. DOI: 10.7546/CRABS.2022.03.01. Disponível em: https://proceedings.bas.bg/index.php/cr/article/view/39. Acesso em: 15 jan. 2025.