@article{oai:repository.dl.itc.u-tokyo.ac.jp:02005800,
 author = {Fujino, Osamu},
 issue = {4},
 journal = {Journal of Mathematical Sciences The University of Tokyo},
 month = {Oct},
 pages = {641--650},
 title = {On Nakayama's Theorem},
 volume = {28},
 year = {2021}
}