MANCINI, Solange; RUAS, Maria A. S. Bifurcations of generic one parameter families of functions on foliated manifolds. MATHEMATICA SCANDINAVICA, [S. l.], v. 72, p. 5–19, 1993. DOI: 10.7146/math.scand.a-12432. Disponível em: https://tidsskrift.dk/math/article/view/12432. Acesso em: 14 aug. 2026.