БУЛКИН, В. И. Modelling of the relation of implication with use of the directed relational networks. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 6, n. 4(72), p. 30–37, 2014. DOI: 10.15587/1729-4061.2014.30567. Disponível em: https://journals.uran.ua/eejet/article/view/30567. Acesso em: 21 may. 2024.