ATABEKYAN, Varouzhan S.; ASLANYAN, Hayk T.; ASLANYAN, Satenik T. POWERS OF SUBSETS IN FREE PERIODIC GROUPS. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 56, n. 2 (258), p. 43–48, 2022. DOI: 10.46991/PYSU:A/2022.56.2.043. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol56_no2_2022_pp043-048. Acesso em: 19 may. 2024.