Zdanowicz, M., and Z. Peradzyński. “Cauchy Problem for Quasilinear Hyperbolic Systems With Coeffcients Functionally Dependent on Solutions”. Archives of Mechanics 59, no. 2 (April 30, 2007): 173–197. Accessed March 3, 2026. http://am.ippt.gov.pl/index.php/am/article/view/v59p173.