@article{oai:tsukuba.repo.nii.ac.jp:00015898,
 author = {Koshitani, Shigeo},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {21--66},
 title = {The principal 2-blocks of finite groups with abelian Sylow 2-subgroups},
 volume = {4},
 year = {1980}
}