@phdthesis{oai:tsukuba.repo.nii.ac.jp:00020867,
 author = {露峰, 茂明 and Tsuyumine, Shigeaki},
 month = {},
 note = {1985},
 school = {筑波大学, University of Tsukuba},
 title = {Some results on rings of automorphic forms},
 year = {1985}
}