ALEKSEYCHUK, O. APPLICATION OF THE SMALL PARAMETER METHOD IN NONLINEAR OSCILLATIONS. Sworld-Us Conference proceedings, [S. l.], v. 1, n. usc15-01, p. 22–24, 2022. DOI: 10.30888/2709-2267.2022-15-01-008. Disponível em: https://www.proconference.org/index.php/usc/article/view/uscusc15-01-008. Acesso em: 29 apr. 2024.