BAUER, T. Affine and formal abelian group schemes on $p$-polar rings. MATHEMATICA SCANDINAVICA, [S. l.], v. 128, n. 1, 2022. DOI: 10.7146/math.scand.a-129704. Disponível em: https://www.mscand.dk/article/view/129704. Acesso em: 27 may. 2022.