A. Ciarkowski, “Asymptotic analysis of propagation of a signal with finite rise time in a dispersive, lossy medium”, Arch. Mech., vol. 49, no. 5, pp. 877–892, Jan. 1997, Accessed: Jan. 22, 2026. [Online]. Available: https://am.ippt.pan.pl/index.php/am/article/view/v49p877