@article{oai:repository.dl.itc.u-tokyo.ac.jp:00041024,
 author = {Fujita, Takao},
 journal = {Scientific papers of the College of Arts and Sciences, the University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {33--39},
 title = {Rational Retractions onto Ample Divisors},
 volume = {33},
 year = {1983}
}