The following resources for the Keller function are loaded:
http://mizugadro.mydns.jp/t/index.php/Keller_function (Original desctiption)
Sorry, the previously announced URLs
http://tori.ils.uec.ac.jp/e/Keller and
http://tori.ils.uec.ac.jp/TORI/index.php/Keller_function are no more avialable.