Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) RYOMA KOBAYASHI,A FINITE PRESENTATION OF THE LEVEL 2 PRINCIPAL CONGRUENCE SUBGROUP OF GL(n; ℤ),数理解析研究所講究録,18802818,[京都] : 京都大学数理解析研究所,2015-04,,1936,78-85,https://cir.nii.ac.jp/crid/1520290885014283392,