SŁADEK, Andrzej; WESOŁOWSKI, Adam. Clifford-Littlewood-Eckmann groups as orthogonal groups of forms of higher degree. Annales Mathematicae Silesianae, [S. l.], v. 12, p. 93–103, 1998. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14166. Acesso em: 8 may. 2025.