@phdthesis{oai:kitami-it.repo.nii.ac.jp:00007306,
 author = {Kato, Shigeo and 加藤, 重雄},
 month = {Dec},
 note = {application/pdf, 北海道大学,理学博士,乙第1569号,00005150923},
 title = {On the global existence of unique solutions of differential equations in a Banach space},
 year = {1977}
}