The Wave Equation Approach to Robbin Inverse Problems for a Doubly-Connected Region: An Extension to Higher Dimensions. Journal of Computational Mathematics, [S. l.], v. 7, n. 3, p. 301–312, 1989. Disponível em: https://gsp.tricubic.dev/JCM/article/view/10956. Acesso em: 14 mar. 2026.