@article{oai:kitami-it.repo.nii.ac.jp:00006279,
 author = {Shigeo, KATO},
 issue = {1},
 journal = {北見工業大学研究報告},
 month = {Nov},
 note = {application/pdf},
 pages = {165--173},
 title = {A Result on Nonlinear Semi-groups},
 volume = {3},
 year = {1971}
}