VARDANYAN, S. M. . On the Powers of Dead-end Recognizing Systems in the Class of T wo-Element Sets Concerning Operations of ntersection and Complement. Mathematical Problems of Computer Science, [S. l.], v. 35, p. 104–108, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/292. Acesso em: 2 may. 2024.