@article{oai:kitami-it.repo.nii.ac.jp:00006230, author = {Shigeo, KATO}, issue = {3}, journal = {北見工業大学研究報告}, month = {Feb}, note = {application/pdf}, pages = {479--486}, title = {Some Note on the Representation Theorem for Nonlinear Semi-Groups in Hibbert Space}, volume = {2}, year = {1969} }