WEBER, J. Stable foliations and semi-flow Morse homology . ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 17, n. 3, p. 853-909, 2017. DOI: 10.2422/2036-2145.201510_017. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/516. Acesso em: 20 feb. 2026.