@article{oai:ipsj.ixsq.nii.ac.jp:00006879,
 author = {上園, 忠弘 and Uezono, Tadahiro},
 issue = {9},
 journal = {情報処理},
 month = {Sep},
 title = {暗号化技術とその応用},
 volume = {20},
 year = {1979}
}