@article{oai:tsukuba.repo.nii.ac.jp:00016940,
 author = {Otsuka, Y. and Morita, Y. and 初貝, 安弘 and HATSUGAI, Yasuhiro},
 issue = {7},
 journal = {Physical review B},
 month = {Aug},
 title = {Anisotropy on the Fermi surface of the two-dimensional Hubbard model},
 volume = {66},
 year = {2002},
 yomi = {ハツガイ, ヤスヒロ}
}