@article{oai:tsukuba.repo.nii.ac.jp:00015873,
 author = {Hoshino, Mitsuo},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {289--292},
 title = {Happlel-Ringel's theorem on tilted algebras},
 volume = {6},
 year = {1982}
}