2 citations to https://www.mathnet.ru/rus/znsl6628

1. E. A. Zlobina, A. P. Kiselev, “Transition Zone in High-Frequency Diffraction on Impedance Contour with Jumping Curvature. Kirchhoff's Method and Boundary Layer Method”, J. Commun. Technol. Electron., 67:2 (2022), 130  
2. Ekaterina A. Zlobina, 2020 Days on Diffraction (DD), 2020, 128