JOTSAROOP, K.; THANGAVELU, S. L^p estimates for the wave equation associated to the Grushin operator. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 13, n. 3, p. 775-794, 2014. DOI: 10.2422/2036-2145.201201_009. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/353. Acesso em: 30 may. 2025.