@article{oai:tsukuba.repo.nii.ac.jp:00028563,
 author = {秋山, 茂樹 and AKIYAMA, Shigeki and PETHO, Attila},
 journal = {Nonlinearity},
 month = {Mar},
 pages = {871--880},
 title = {DISCRETIZED ROTATION HAS INFINITELY MANY PERIODIC ORBITS},
 volume = {26},
 year = {2013},
 yomi = {アキヤマ, シゲキ}
}