@article{oai:kitami-it.repo.nii.ac.jp:00006466,
 author = {Kiro, ISOBE},
 issue = {1},
 journal = {北見工業大学研究報告},
 month = {Nov},
 note = {application/pdf},
 pages = {145--147},
 title = {On a certain sufficient condition of the countable sup property in Risez spaces},
 volume = {10},
 year = {1978}
}