Tenkam , H. M.Shatalov , M.Fedotov , I. and Anguelov , R.. (2018). Mathematical Models for the Propagation of Stress Waves in Elastic Rods: Exact Solutions and Numerical Simulation. Advances in Applied Mathematics and Mechanics. 8 (2). 257-270. doi:10.4208/aamm.2013.m383