%0 Journal Article %A Martin Davis %T Arithmetical problems and recursively enumerable predicates %J Matematika %D 1964 %P 15-22 %V 8 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1964_8_5_a1/ %G ru %F MAT_1964_8_5_a1