@article{oai:repository.dl.itc.u-tokyo.ac.jp:00041038, author = {Ishikawa, Hirofumi}, journal = {Scientific papers of the College of General Education, University of Tokyo}, month = {}, note = {application/pdf}, pages = {1--28}, title = {The Traces of Hecke Operators in the Space of the 'Hilbert Modular'Type Cusp Forms of Weight Two}, volume = {29}, year = {1979} }