Shafiei H, Setoodeh A. An analytical study on the nonlinear forced vibration of functionally graded carbon nanotube-reinforced composite beams on nonlinear viscoelastic foundation. Arch. Mech. [Internet]. 2020 Apr. 30 [cited 2026 Jan. 17];72(2):81-107. Available from: http://am.ippt.gov.pl/index.php/am/article/view/v72p81