SINGH, Sarjinder. Saddlestrapping. Nonlinear Analysis: Modelling and Control, [S. l.], v. 14, n. 3, p. 357–388, 2009. DOI: 10.15388/NA.2009.14.3.14501. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/14501.. Acesso em: 18 may. 2024.