@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039507, author = {Tanaka, Yasuhiko}, issue = {2}, 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 = {Oct}, note = {application/pdf}, pages = {247--272}, title = {Certain pairs of finite groups with a common $2$-subgroup}, volume = {33}, year = {1986} }