CHEN, G.-Q.; FELDMAN, M. Free boundary problems and transonic shocks for the Euler equations in unbounded domains. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 3, n. 4, p. 827-869, 2009. DOI: 10.2422/2036-2145.2004.4.06. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/58. Acesso em: 30 may. 2025.