@article{oai:soar-ir.repo.nii.ac.jp:00011973, author = {Hanaki, A}, issue = {2}, journal = {JOURNAL OF COMBINATORIAL THEORY SERIES A}, month = {Feb}, note = {Article, JOURNAL OF COMBINATORIAL THEORY SERIES A. 115(2): 226-236 (2008)}, pages = {226--236}, title = {Nilpotent schemes and group-like schemes}, volume = {115}, year = {2008} }