| Type | Author(s) | Title | Other Titles | Citation | Citation(alt) | Issue Date |
| bulletin (article) | 伊達, 惇 | 2次元実同次二次変換の発散収束境界の形状の全類型およびその解析 | Analyses and Portraits of All Types of Divergence-Convergence Boundaries of Two-Dimensional Real Homogeneous Quadratic Transformations | 北海道大學工學部研究報告 | Bulletin of the Faculty of Engineering, Hokkaido University | 30-May-1980 |
| bulletin (article) | 伊達, 惇 | 2次元非結合的代数系の性質およびMarkusの標準形への適用について | On the Properties of Two-dimensional Nonassociative Algebra and an Application to Markus' Canonical Form | 北海道大學工學部研究報告 | Bulletin of the Faculty of Engineering, Hokkaido University | 30-Jan-1982 |
| bulletin (article) | 中西, 寛子; 水田, 正弘; 佐藤, 義治; 伊達, 惇; 河口, 至商 | QDFを用いた判別分析の有効性について : 3種の非正規分布のモデルを用いての考察 | Robustness of Discriminant Analysis with QDF : Study for Three Non-Normal Distribution Models | 北海道大學工學部研究報告 | Bulletin of the Faculty of Engineering, Hokkaido University | 30-Oct-1982 |
| bulletin (article) | 伊達, 惇 | UNIXシステムの特徴についての考察 | On Some Properties of UNIX Operating System | 北海道大學工學部研究報告 | Bulletin of the Faculty of Engineering, Hokkaido University | 31-May-1984 |
| bulletin (article) | 水田, 正弘; 佐藤, 義治; 伊達, 惇; 河口, 至商 | パーソナルコンピュータによる多次元データの動的表示法 | Dynamic Representation of Multi-Dimensional Data Using a Personal Computer | 北海道大學工學部研究報告 | Bulletin of the Faculty of Engineering, Hokkaido University | 30-Jul-1982 |
| bulletin (article) | 栗野, 洋子; 伊達, 惇 | 加重多数決ゲームの表示に基づくn人協力ゲームの研究 | Studies of N-Person Cooperative Games Based on the Characterizations of Weighted Majority Games | 北海道大學工學部研究報告 | Bulletin of the Faculty of Engineering, Hokkaido University | 31-Jul-1981 |
| bulletin (article) | 新保, 勝; 伊達, 惇; 宮腰, 政明 | 九官鳥母音の音声認識について | On the Phonetical Recognition of Mynah Mimic Vowels | 北海道大學工學部研究報告 | Bulletin of the Faculty of Engineering, Hokkaido University | 11-Aug-1980 |
