KOZIOŁ, Krzysztof. On a decomposition of the Witt group into direct sum of cyclic groups. Annales Mathematicae Silesianae, [S. l.], v. 6, p. 7–8, 1992. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/14260. Acesso em: 5 dec. 2025.