DARWISH, A. A. . ON THE DIRECT PROBLEM AND SCATTERING DATA FOR A SINGULAR SYSTEM OF DIFFERENTIAL EQUATIONS WITH DISCONTINUOUS COEFFICIENTS. Tamkang Journal of Mathematics, [S. l.], v. 27, n. 4, p. 289–299, 1996. DOI: 10.5556/j.tkjm.27.1996.3958. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3958. Acesso em: 1 may. 2024.