@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039900,
 author = {Iwahori, Nagayoshi and Kondo, Takeshi},
 issue = {2},
 journal = {Journal of the Faculty of Science, University of Tokyo. Sect. 1, Mathematics, astronomy, physics, chemistry = 東京大學理學部紀要. 第1類, 數學, 天文學, 物理學, 化學},
 month = {Mar},
 note = {application/pdf},
 pages = {113--144},
 title = {On finite groups admitting a permutation representation P such that $TrP(\sigma)=3$ for all $\sigma\\ne 1$},
 volume = {11},
 year = {1965}
}