%0 Journal Article %A N. V. Beljakin %T Iterated Kleene computability and the superjump %J Sbornik. Mathematics %D 1976 %P 17-37 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1976_30_1_a1/ %G en %F SM_1976_30_1_a1