VOLIANSKIY, R. S.; SADOVOY, O. Static characteristics of electromechanical systems with quadratic activation function. Mathematical base. Electrical Engineering and Power Engineering, [S. l.], n. 1, p. 35–41, 2011. DOI: 10.15588/1607-6761-2011-1-5. Disponível em: http://ee.zntu.edu.ua/article/view/90905. Acesso em: 4 may. 2024.