@article{oai:tsukuba.repo.nii.ac.jp:00015739,
 author = {Karpilovsky, G.},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {19--52},
 title = {The Jacobson radical of monoid-graded algebras},
 volume = {16},
 year = {1992}
}