HASANOV, Z. M. Non-linear vibration modeling with the help of functional series. Science and Transport Progress , [S. l.], n. 35, p. 198–201, 2010. DOI: 10.15802/stp2010/8883. Disponível em: https://stp.ust.edu.ua/article/view/8883. Acesso em: 3 may. 2024.