Hajime Ishihara. Two subcategories of apartness spaces. Annals of Pure and Applied Logic, 163(2):132-139, 2012. [doi]
@article{Ishihara12,
title = {Two subcategories of apartness spaces},
author = {Hajime Ishihara},
year = {2012},
doi = {10.1016/j.apal.2011.06.022},
url = {http://dx.doi.org/10.1016/j.apal.2011.06.022},
researchr = {https://researchr.org/publication/Ishihara12},
cites = {0},
citedby = {0},
journal = {Annals of Pure and Applied Logic},
volume = {163},
number = {2},
pages = {132-139},
}