@inproceedings{weko_119100_1, author = "大内,東 and 栗原,正仁", title = "部分可到達行列モデルと随伴含意行列", booktitle = "全国大会講演論文集", year = "1990", volume = "第41回", number = "基礎理論及び基礎技術", pages = "75--76", month = "sep" }