BLOKHIN, Y. P.; KOROTENKO, M. L.; KLYMENKO, Y. V. A graphical representation of the Nadal’s criterion. Science and Transport Progress , [S. l.], n. 35, p. 7–9, 2010. DOI: 10.15802/stp2010/9102. Disponível em: https://stp.ust.edu.ua/article/view/9102. Acesso em: 3 may. 2024.