@article{oai:tsukuba.repo.nii.ac.jp:00002199, author = {倉井, 庸維}, journal = {研究紀要, Bulletin of Senior High School at Sakado, University of Tsukuba}, month = {Dec}, pages = {125--128}, title = {数学的活動としての一般化}, volume = {38}, year = {2000} }