@article{oai:cit.repo.nii.ac.jp:00000084,
 author = {山田　, 宏文 and Yamada, Hirofumi},
 journal = {千葉工業大学研究報告, Report of Chiba Institute of Technology},
 month = {Jan},
 pages = {69--74},
 title = {Delta expansion at low temperatures},
 volume = {62},
 year = {2015},
 yomi = {ヤマダ, ヒロフミ}
}