@article{oai:dokkyo.repo.nii.ac.jp:00001211,
 author = {堅田, 剛},
 issue = {28},
 journal = {獨協法学, Dokkyo law review},
 month = {Mar},
 note = {pdf},
 pages = {47--68},
 title = {イェーリング, あるいは冗談法学},
 year = {1989}
}