KHACHATRYAN, I. G. ON PARADOXES OF INTUITIVE THEORY OF SETS. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 40, n. 3 (211), p. 139–141, 2006. DOI: 10.46991/PYSU:A/2006.40.3.139. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol40_no3_2006_pp139-141. Acesso em: 3 jul. 2024.