%0 Journal Article %A Hořejš, Jiří %T On generalizations of a theorem on recursive sets %J Archivum mathematicum %D 1965 %P 221-227 %V 01 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1965__1_4_a2/ %G en %F ARM_1965__1_4_a2