@article{oai:u-ryukyu.repo.nii.ac.jp:02007113, author = {Nakazato, Haruo and 中里, 治男}, issue = {24}, journal = {琉球大学理工学部紀要. 理学編, Bulletin of Science & Engineering Division, University of Ryukyus. Mathematics & natural sciences}, month = {Sep}, note = {紀要論文}, pages = {21--27}, title = {On $ \mathfrak{F}$ -reducers in Finite Solvable Groups}, year = {1977} }