JAMALI, J.; NAEI, M.H.; HONARVAR, F.; RAJABI, M. Acoustic scattering from functionally graded cylindrical shells. Archives of Mechanics, Warsaw, Poland, v. 63, n. 1, p. 25–56, 2011. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v63p25. Acesso em: 19 nov. 2025.