ZDANOWICZ, M.; PERADZYŃSKI, Z. Cauchy problem for quasilinear hyperbolic systems with coeffcients functionally dependent on solutions. Archives of Mechanics, Warsaw, Poland, v. 59, n. 2, p. 173–197, 2007. DOI: 10.24423/aom.238. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v59p173. Acesso em: 17 jan. 2026.