@phdthesis{oai:tohoku.repo.nii.ac.jp:00138004,
 author = {Tomitsuka, Takeshi},
 month = {2022-07-29, 2022-07-29, 2022-09-15, 2022-09-15},
 note = {博士学位論文 (Thesis(doctor))},
 school = {Tohoku University},
 title = {A Lie algebra-based approach to asymptotic symmetries in general relativity},
 year = {}
}