TY  - JOUR
AU  - Ito,  Motoyoshi
TI  - On Some Decision Problems XI
T2  - Memoirs of the Faculty of Liberal Arts & Education. Part II, Mathematics & natural sciences
SN  - 03858766
PY  - 1968
DA  - 1968/00/00
VL  - 19
SP  - 224-233
UR  - http://ci.nii.ac.jp/naid/110000358781/en/
ER  -