WOJTKOWIAK, Zdzislaw. A construction of analogs of the Bloch-Wigner function. Mathematica Scandinavica, Berkeley, CA, United States, v. 65, p. 140–142, 1989. DOI: 10.7146/math.scand.a-12272. Disponível em: https://journals.msp.org/mscand/article/view/1378. Acesso em: 24 jul. 2026.