DEPENDENCE OF INPUT ENERGY FROM THE LEVEL OF GROUND NONLINEARITY . Balkan Journal of Applied Mathematics and Informatics, [S. l.], v. 5, n. 1, p. 7–18, 2022. Disponível em: https://js.ugd.edu.mk/index.php/bjami/article/view/4953. Acesso em: 3 oct. 2025.