AN, Tran Van; CHUONG, Thai Doan. On pseudo-open s-images and perfect images of frechet hereditarily determined spaces. VNU Journal of Science: Mathematics - Physics, [S.l.], v. 22, n. 2, june 2006. ISSN 2588-1124. Available at: <https://js.vnu.edu.vn/MaP/article/view/2784>. Date accessed: 22 nov. 2024.