CHUBARYAN, A.; SAYADYAN, S. Some New Propositional Proof Systems for Intuitionistic and Minimal Logics. Mathematical Problems of Computer Science, [S. l.], v. 38, p. 44–45, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/482. Acesso em: 2 may. 2024.