LUO, W.; YIN, Z. Gevrey regularity and analyticity for Camassa-Holm type systems. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 18, n. 3, p. 1061-1079, 2018. DOI: 10.2422/2036-2145.201603_011. Disponível em: https://journals-dev.sns.it/index.php/annaliscienze/article/view/606. Acesso em: 26 may. 2026.