@article{oai:ismrepo.ism.ac.jp:00031389, author = {伊藤, 栄明 and Itoh, Yoshiaki}, issue = {1}, journal = {統計数理, Proceedings of the Institute of Statistical Mathematics}, month = {Jun}, pages = {19--27}, title = {幾何学的対称性の統計的分布 : 結晶における群とその頻度}, volume = {34}, year = {1986} }