JIA, J.; WANG, N. .; LIU, Y.; LI, H. Fast Two-Grid Finite Element Algorithm for a Fractional Klein- Gordon Equation. Contemporary Mathematics, [S. l.], v. 5, n. 2, p. 1294–1310, 2024. DOI: 10.37256/cm.5220244041. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/4041. Acesso em: 17 may. 2024.