НОВИКОВА, Ю. С. Considerations of digital method of seal. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 3, n. 2(57), p. 41–43, 2012. DOI: 10.15587/1729-4061.2012.3980. Disponível em: https://journals.uran.ua/eejet/article/view/3980. Acesso em: 7 may. 2024.