ATABEKYAN, V.S. THE AUTOMORPHISM TOWER PROBLEM FOR FREE PERIODIC GROUPS. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 47, n. 2 (231), p. 3–7, 2013. DOI: 10.46991/PYSU:A/2013.47.2.003. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol47_no2_2013_pp003-007. Acesso em: 22 jul. 2024.