@article{oai:tsukuba.repo.nii.ac.jp:00053714,
 author = {西村, 泰一 and NISHIMURA, Hirokazu},
 journal = {Zentralblatt MATH},
 month = {2019-12-09},
 title = {a review of Symplectic geometry of geometric optics by Yamamoto, Yoshitaka},
 year = {},
 yomi = {ニシムラ, ヒロカズ}
}