@article{oai:ismrepo.ism.ac.jp:00031391, author = {多賀, 保志 and Taga, Yasushi}, issue = {1}, journal = {統計数理, Proceedings of the Institute of Statistical Mathematics}, month = {Jun}, pages = {29--37}, title = {ビュッフォンの針の一般化と応用上の注意}, volume = {34}, year = {1986} }