HEDENMALM, Hakan. A comparison between the closed modular ideals in $l^1(w)$ and $L^1(w)$. MATHEMATICA SCANDINAVICA, [S. l.], v. 58, p. 275–300, 1986. DOI: 10.7146/math.scand.a-12146. Disponível em: https://tidsskrift.dk/math/article/view/12146. Acesso em: 14 aug. 2026.