@article{oai:tsukuba.repo.nii.ac.jp:00016118,
 author = {Del, Rio Angel and Saorin, Manuel},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {1--18},
 title = {Dualities and dimensions of endomorphism rings},
 volume = {15},
 year = {1991}
}