@article{oai:tsukuba.repo.nii.ac.jp:00015899,
 author = {Hanazawa, Masazumi},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {163--170},
 title = {On a refinement of anti-Souslin tree property},
 volume = {20},
 year = {1996}
}