@misc{oai:waseda.repo.nii.ac.jp:00018494,
 author = {山中, 竹春 and Yamanaka, Takeharu},
 month = {},
 note = {制度:新 ; 文部省報告番号:乙1830号 ; 学位の種類:博士(理学) ; 授与年月日:2003-10-16 ; 早大学位記番号:新3651},
 title = {Vector fields in G1(M) on 3-manifolds and their characterization},
 year = {2003}
}