DAVIDOV, S. S. BINARY TERMS AND SEMITERMS. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 38, n. 1 (203), p. 34–42, 2003. DOI: 10.46991/PYSU:A/2004.38.1.034. Disponível em: https://pub.ysu.am/index.php/proceedings-phys-math/article/view/vol38_no1_2004_pp034-042. Acesso em: 19 sep. 2024.