N. BERWALA. Solving system of linear differential equations using haar wavelet. Applied Mathematics and Computational Intelligence (AMCI), [S. l.], v. 2, n. 2, p. 183–193, 2013. Disponível em: https://ejournal.unimap.edu.my/index.php/amci/article/view/72. Acesso em: 2 may. 2024.