@article{oai:tsukuba.repo.nii.ac.jp:00016783, author = {西村, 泰一 and NISHIMURA, Hirokazu}, issue = {2}, journal = {Beiträge zur Algebra und Geometrie}, month = {}, pages = {677--696}, title = {Higher-Order Preconnections in Synthetic Differential Geometry of Jet Bundles}, volume = {45}, year = {2004}, yomi = {ニシムラ, ヒロカズ} }