%0 Journal Article %A Yu. L. Ershov %T $\Sigma$-predicates of finite types over an admissible set %J Algebra i logika %D 1985 %P 499-536 %V 24 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1985_24_5_a0/ %G ru %F AL_1985_24_5_a0