ELIASHBERG, Y.; MISHACHEV, N. M. Wrinkling of smooth mappings III. Foliations of codimension greater than one. Topological Methods in Nonlinear Analysis, [S. l.], v. 11, n. 2, p. 321–350, 1998. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1998.021. Acesso em: 22 jul. 2024.