The Bivariate Spline Approximate Solution to the Hyperbolic Equations with Variable Coefficients. Journal of Computational Mathematics, [S. l.], v. 10, n. 2, p. 112–128, 1992. Disponível em: https://staging.gsp.tricubic.dev/JCM/article/view/11058. Acesso em: 18 mar. 2026.