Belubekyan, M.V., and S.L. Sahakyan. “ON THE LOCALIZATION OF SHEAR VIBRATIONS IN A COMPOSITE ELASTIC SEMI-INFINITE FLAT WAVEGUIDE”. Proceedings of the YSU A: Physical and Mathematical Sciences, vol. 54, no. 1 (251), Apr. 2020, pp. 44-49, doi:10.46991/PYSU:A/2020.54.1.044.