@article{oai:kansai-u.repo.nii.ac.jp:00007705,
 author = {春日, 淳一},
 issue = {6},
 journal = {關西大學經済論集},
 month = {Mar},
 pages = {1009--1025},
 title = {経済システム論の新展開(3) : システムの同型性について},
 volume = {39},
 year = {1990}
}