@article{oai:tsukuba.repo.nii.ac.jp:00016067,
 author = {Ishii, N. and Momose, F.},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {413--423},
 title = {Hyperelliptic modular curves},
 volume = {15},
 year = {1991}
}