@article{oai:ynu.repo.nii.ac.jp:00006639,
 author = {Thas, C.},
 journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学},
 month = {},
 note = {application/pdf},
 pages = {157--167},
 title = {MINIMAL MONOSYSTEMS},
 volume = {26},
 year = {1978}
}