@article{oai:tsukuba.repo.nii.ac.jp:00015922, author = {Hoshino, Mitsuo and Miyachi, Jun-ichi}, issue = {2}, journal = {Tsukuba Journal of Mathematics}, month = {Dec}, pages = {383--391}, title = {Tame triangular matrix algebras over self-injective algebras}, volume = {11}, year = {1987} }