Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 吉田 憲一 and 馬場 清,A note on a condition for the obstruction ideal of an element α to be equal to the obstruction ideal of a linear fractional transform of α,"岡山理科大学紀要. A. 自然科学 = The bulletin of Okayama University of Science. A, Natural sciences",02857685,岡山 : 岡山理科大学,2006,,42,1-5,https://cir.nii.ac.jp/crid/1520290882461089024,