@article{oai:teapot.lib.ocha.ac.jp:00034897, author = {Fujita, Noriko}, issue = {2}, journal = {お茶の水女子大學自然科學報告}, month = {Dec}, note = {application/pdf, 紀要論文}, pages = {69--71}, title = {A Characterization of Unit-Boundaries in Finitely Generated Banach Algebras}, volume = {23}, year = {1972} }