@article{oai:mie-u.repo.nii.ac.jp:00001162,
 author = {山岡, 悦郎 and Yamaoka, Etsuro},
 journal = {人文論叢 : 三重大学人文学部文化学科研究紀要},
 month = {Mar},
 note = {application/pdf},
 pages = {105--106},
 title = {On the symbolization of I-proposition},
 volume = {6},
 year = {1989}
}