Ilgamov, Marat Aksanovich, and Akim Gayfullinovich Khakimov. “Reflection of a Longitudinal Wave from a Notch in the Rod Immersed into a Viscous Fluid”. Computational Continuum Mechanics, vol. 3, no. 3, Oct. 2010, pp. 58-67, https://doi.org/10.7242/1999-6691/2010.3.3.27.