@article{oai:teapot.lib.ocha.ac.jp:00034922, author = {Nishizawa, Kiyoko and 西沢, 清子}, issue = {1}, journal = {お茶の水女子大學自然科學報告}, month = {Jul}, note = {application/pdf, 紀要論文}, pages = {9--15}, title = {On a Unit-boundary of a Function Algebra}, volume = {22}, year = {1971} }