@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039689,
 author = {Shioda, Tetsuji},
 issue = {1},
 journal = {Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics = 東京大学理学部紀要. 第1類A, 数学},
 month = {Mar},
 note = {application/pdf},
 pages = {47--59},
 title = {The period map of abelian surfaces},
 volume = {25},
 year = {1978}
}