DAS, P. K.; SINGH, D.; PANJA, M. M. Some modifications on RCAM for getting accurate closed-form approximate solutions of Duffing- and Lienard-type equations. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 16, p. 8213–8225, 2019. DOI: 10.24297/jam.v16i0.8017. Disponível em: https://rajpub.com/index.php/jam/article/view/8017. Acesso em: 29 mar. 2024.