@article{oai:tsukuba.repo.nii.ac.jp:00015189,
 author = {増岡, 彰 and MASUOKA, Akira},
 issue = {1},
 journal = {Journal of algebra},
 month = {Nov},
 pages = {226--249},
 title = {Formal groups and unipotent affine groups in non-categorical symmetry},
 volume = {317},
 year = {2007},
 yomi = {マスオカ, アキラ}
}