@article{oai:tsukuba.repo.nii.ac.jp:00020618, journal = {年次研究報告, Annual report of Institute of Physics, the University of Tsukuba}, month = {}, pages = {130--134}, title = {<研究活動>VII.物性理論グループ VII-2.量子物性理論}, volume = {2009}, year = {2009} }