Caviglia, G., and A. Morro. “Existence and Uniqueness of the Solution in the Frequency Domain for the Reflection-Transmission Problem in a Viscoelastic Layer”. Archives of Mechanics 56, no. 1 (January 1, 2004): 59–82. Accessed January 17, 2026. http://am.ippt.gov.pl/index.php/am/article/view/v56p59.