DEACONU, Valentin; KUMJIAN, Alex; RAMAZAN, Birant. Fell bundles associated to groupoid morphisms. MATHEMATICA SCANDINAVICA, [S. l.], v. 102, n. 2, p. 305–319, 2008. DOI: 10.7146/math.scand.a-15064. Disponível em: https://tidsskrift.dk/math/article/view/15064. Acesso em: 14 aug. 2026.