@article{oai:tsukuba.repo.nii.ac.jp:00015980,
 author = {Yamauchi, Kenichi},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {525--527},
 title = {On automorphisms of a character ring},
 volume = {20},
 year = {1996}
}