JENNER, W. E. On the class number of non-maximal orders in $\mathfrak{p}$-adic division algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 4, p. 125–128, 1956. DOI: 10.7146/math.scand.a-10461. Disponível em: https://journals.msp.org/mscand/article/view/2859. Acesso em: 8 sep. 2026.