Cadenas R., Carlos E., and Livia J. Quiñonez T. “Mimetic Methods to Helmholtz Equation: Numerical Dispersion”. Divulgaciones Matemáticas 20, no. 1 (June 29, 2019): 1-15. Accessed December 6, 2025. https://produccioncientificaluz.org/index.php/divulgaciones/article/view/36618.