%0 Journal Article %A M. Kummer %A S. Wehner %A X.-D. Yi %T Discrete families of recursive functions, and index sets %J Algebra i logika %D 1994 %P 147-165 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1994_33_2_a2/ %G ru %F AL_1994_33_2_a2