GLOBAL SOLUTIONS TO THE NONLINEAR HYPERBOLIC PROBLEM. Pesquimat, [S. l.], v. 1, n. 2, 1998. DOI: 10.15381/pes.v1i2.8643. Disponível em: https://revistasinvestigacion.unmsm.edu.pe/index.php/matema/article/view/8643.. Acesso em: 2 may. 2024.