@article{oai:tsukuba.repo.nii.ac.jp:00017248,
 author = {Coelho, Flavio U. and Marcos, Eduardo N. and Merklen, Hector A. and Platzeck, Maria I.},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Oct},
 pages = {345--359},
 title = {Modules of infinite projective dimension over algebras whose idempotent ideals are projective},
 volume = {21},
 year = {1997}
}