%0 Journal Article %A A. N. Degtev %T Reducibilities of tabular type in the theory of algorithms %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1979 %P 155-192 %V 34 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1979_34_3_a2/ %G en %F RM_1979_34_3_a2