"Kazuhiro;Ishikawa|Hiroshi;Tanaka|Katsumi;Tanaka|","Ladder Index of Groups","Mathematical Journal of Okayama University","0030-1566","2002-01","44","1","37","42","","","","https://ousar.lib.okayama-u.ac.jp/33123",""
    "Katsumi;Tanaka|","2重可移群のモデル理論","岡山大学医療技術短期大学部紀要","0917-4494","1997-09-10","8","1","1","6","","","","https://ousar.lib.okayama-u.ac.jp/15277",""
    "Katsumi;Tanaka|","安定群の上の位相について","岡山大学医療技術短期大学部紀要","0917-4494","1994-01-31","4","","27","29","","","","http://escholarship.lib.okayama-u.ac.jp/11865",""