A low computational cost numerical method for solving mixed diffusion problems. - Lucas Jódar; L. A. Caudillo-Mata (Appl. Math. Comput., 2005)

Computing the variable coefficient telegraph equation using a discrete eigenfunctions method. - R. Aloy; M. Consuelo Casabán; L. A. Caudillo-Mata; Lucas Jódar (Comput. Math. Appl., 2007)