“Scattering of Acoustoelectric Waves on a Cylindrical Inhomogeneity in the Transversely Isotropic Piezoelectric Medium”. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics 93 (December 12, 2001): 137–155. Accessed February 4, 2026. https://annual.uni-sofia.bg/index.php/fmi/article/view/209.