@article{oai:tsukuba.repo.nii.ac.jp:00002005,
 author = {島田, 雅晴},
 journal = {筑波英学展望},
 month = {Mar},
 pages = {85--98},
 title = {縮約形の助動詞化について},
 volume = {24},
 year = {2006},
 yomi = {シマダ, マサハル}
}