CHAKRABARTI, S. K.; YADAV, R. N.; PATHAK, S. R. On Heyting Algebra. International Journal For Research In Mathematics And Statistics, [S. l.], v. 6, n. 5, p. 01–05, 2020. DOI: 10.53555/ms.v6i5.1314. Disponível em: https://gnpublication.org/index.php/ms/article/view/1314. Acesso em: 12 may. 2024.