@article{oai:repository.dl.itc.u-tokyo.ac.jp:00028142,
 author = {堀田, 凱樹},
 issue = {2},
 journal = {東京大学理学部弘報},
 month = {Jul},
 pages = {0--1},
 title = {表紙の説明},
 volume = {16},
 year = {1984}
}