SAYADYAN, S. M. . Relative Efficiency of Nonclassical Resolution and Cut-free Sequent System. Mathematical Problems of Computer Science, [S. l.], v. 28, p. 135–140, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/511. Acesso em: 19 may. 2024.