@article{ItoMotoyoshi:1968-00-00,
author="Ito, Motoyoshi",
title="On Some Decision Problems XI",
journal="Memoirs of the Faculty of Liberal Arts & Education. Part II, Mathematics & natural sciences",
ISSN="03858766",
publisher="University of Yamanashi",
year="1968",
month="",
volume="19",
number="",
pages="224-233",
URL="http://ci.nii.ac.jp/naid/110000358781/en/",
DOI="",
}