STEINCY FRANCK PEALA; KONAN CHARLES ETIENNE GOLI; ASSOHOUN ADJE. Existence of Solutions for Nabla-differentiable Systems of the Second Order. International Journal of Mathematics And its Applications, [S. l.], v. 11, n. 3, p. 71–92, 2023. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1190. Acesso em: 3 jul. 2024.