@article{oai:muroran-it.repo.nii.ac.jp:00007888,
 author = {IWATA, Kazuo and 岩田, 一男},
 issue = {3},
 journal = {室蘭工業大学研究報告. 理工編, Memoirs of the Muroran Institute of Technology. Science and engineering},
 month = {Nov},
 note = {application/pdf},
 pages = {793--800},
 title = {Several Further Extension Criteria},
 volume = {9},
 year = {1978},
 yomi = {イワタ, カズオ}
}