SPREHN, David; WAHL, Nathalie. Forms over fields and Witt’s lemma. MATHEMATICA SCANDINAVICA, [S. l.], v. 126, n. 3, p. 401–423, 2020. DOI: 10.7146/math.scand.a-120488. Disponível em: https://tidsskrift.dk/math/article/view/120488. Acesso em: 13 aug. 2026.