BEKNAZARYAN, A.F. TOPOLOGIES ON THE GENERALIZED PLANE. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 48, n. 3 (235), p. 8–12, 2014. DOI: 10.46991/PSYU:A/2014.48.3.008. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol48_no3_2014_pp008-012. Acesso em: 19 may. 2024.