@article{oai:tsukuba.repo.nii.ac.jp:00016002,
 author = {Morita, Jun and Wakimoto, Minoru},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {77--91},
 title = {Saturated sets for generalized Cartan matrices},
 volume = {11},
 year = {1987}
}