BEKNAZARYAN, A.F. ON BLOWUP OF CERTAIN COVERING SPACES. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 49, n. 1 (236), p. 8–11, 2015. DOI: 10.46991/PSYU:A/2015.49.1.008. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol49_no1_2015_pp008-011. Acesso em: 14 may. 2024.