ЯЛОВЕНКО, С. Н. Black limit. Part 11. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 4, n. 5(64), p. 31–36, 2013. DOI: 10.15587/1729-4061.2013.16674. Disponível em: https://journals.uran.ua/eejet/article/view/16674. Acesso em: 18 may. 2024.