GRUBB, Gerd. The sectorial projection defined from logarithms. MATHEMATICA SCANDINAVICA, [S. l.], v. 111, n. 1, p. 118–126, 2012. DOI: 10.7146/math.scand.a-15217. Disponível em: https://tidsskrift.dk/math/article/view/15217. Acesso em: 14 aug. 2026.