@article{oai:ir.kagoshima-u.ac.jp:00007052, author = {大山, 正信 and OYAMA, Masanobu}, journal = {鹿児島大学教育学部教育研究所研究紀要, Bulletin of the Educational Research Institute, Faculty of Education, University of Kagoshima}, month = {Dec}, pages = {39--41}, title = {数学敎育における理解}, volume = {4}, year = {1952} }