BEHNCKE, H.; BÖS, W. JB algebras with an exceptional ideal. MATHEMATICA SCANDINAVICA, [S. l.], v. 42, p. 306–312, 1978. DOI: 10.7146/math.scand.a-11755. Disponível em: https://www.mscand.dk/article/view/11755. Acesso em: 24 nov. 2024.