@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039609, author = {Saito, Hiroshi and Yamauchi, Masatoshi}, issue = {3}, journal = {Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics = 東京大学理学部紀要. 第1類A, 数学}, month = {Feb}, note = {application/pdf}, pages = {687--694}, title = {Congruences between Hilbert cusp forms and units in quartic fields}, volume = {28}, year = {1982} }