@article{oai:tsukuba.repo.nii.ac.jp:00015838,
 author = {Masuoka, Akira},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {353--362},
 title = {Corings and invertible bimodules},
 volume = {13},
 year = {1989}
}