@article{oai:tsukuba.repo.nii.ac.jp:00017043,
 author = {西村, 泰一 and NISHIMURA, Hirokazu},
 issue = {2},
 journal = {Far east journal of mathematical sciences},
 month = {Feb},
 pages = {273--290},
 title = {Another Coboundary Operator for Differential Forms with Values in the Lie Algebra Bundle of a Group Bundle -A Chapter in Synthetic Differential Geometry of Groupoids-},
 volume = {28},
 year = {2008},
 yomi = {ニシムラ, ヒロカズ}
}