@article{oai:fukuyama-u.repo.nii.ac.jp:00005899, author = {古藤, 保次}, issue = {1・2}, journal = {福山大学経済学論集}, month = {Mar}, note = {P(論文)}, pages = {106--116}, title = {単位根と Cointegration}, volume = {12}, year = {1988} }