TEKLESELASSIE, H. Retracted: Collective Signature Schemes Using Problem of Finding Roots Modulo. Journal of Electronic & Information Systems, [S. l.], v. 4, n. 1, p. 1–9, 2022. DOI: 10.30564/jeisr.v4i1.4220. Disponível em: https://journals.bilpubgroup.com/index.php/jeis/article/view/4220. Acesso em: 22 dec. 2024.