[1]
Nguyen, X.T. et al. 2024. ω-cover, k-cover and related spaces on the Pixley-Roy PR[X].
Dong Thap University Journal of Science - Natural Sciences Issue
. 14, 5 (Dec. 2024), 60–66. DOI:https://doi.org/10.52714/dthu.14.5.2025.1500.