@article{oai:tsukuba.repo.nii.ac.jp:00016262,
 author = {Matsuhisa, Takashi},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {71--77},
 title = {A class of finite groups admitting certain sharp characters I},
 volume = {14},
 year = {1990}
}