VIJAYARAKAVAN, M.; AMIRTHALINGAM, V. Numerical Solution of the Non-Linear Singular Systems from Fluid Dynamics Using Leapfrog Method. International Journal of Engineering and Technology, [S. l.], v. 7, n. 3.10, p. 195–199, 2018. DOI: 10.14419/ijet.v7i3.10.25361. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/25361.. Acesso em: 11 aug. 2025.