DARWISH AA. ON THE DIRECT PROBLEM AND SCATTERING DATA FOR A SINGULAR SYSTEM OF DIFFERENTIAL EQUATIONS WITH DISCONTINUOUS COEFFICIENTS. Tamkang J. Math. [Internet]. 1996 Dec. 1 [cited 2024 May 1];27(4):289-9. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3958