AAGHABALI, M.; TAJFIROUZ, Z. Remarks on vector space generated by the multiplicative commutators of a division ring. Mathematica Scandinavica, Berkeley, CA, United States, v. 126, n. 2, p. 161–164, 2020. DOI: 10.7146/math.scand.a-116324. Disponível em: https://journals.msp.org/mscand/article/view/197. Acesso em: 24 jul. 2026.