KIRILLOV, O. N. Singularities in Structural Optimization of the Ziegler Pendulum. Acta Polytechnica, [S. l.], v. 51, n. 4, 2011. DOI: 10.14311/1400. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1400. Acesso em: 20 apr. 2024.