@article{oai:repository.dl.itc.u-tokyo.ac.jp:00028099,
 author = {飯山, 敏道},
 issue = {2},
 journal = {東京大学理学部弘報},
 month = {Sep},
 pages = {0--1},
 title = {表紙の説明},
 volume = {17},
 year = {1985}
}