@article{oai:teapot.lib.ocha.ac.jp:00034961, author = {Sawashima, Ikuko and 沢島, 侑子}, 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 = {1--15}, title = {On Spectral Properties of Positive Irreducible Operators in C(S) and a Problem of H.H. Schaefer}, volume = {17}, year = {1966} }