@article{oai:ritsumei.repo.nii.ac.jp:02000722,
 author = {Takahashi, Akinari and 高橋, 顕也},
 issue = {4},
 journal = {立命館産業社会論集},
 month = {Mar},
 pages = {135--143},
 title = {An Essay on Mathematical Structures of the Concepts of Medium, Form, Time and System in Sociological Systems Theory},
 volume = {59},
 year = {2024}
}