%0 Journal Article %A M. I. Kanovich %T On the precision of a complexity criterion for nonrecursiveness and universality %J Doklady Akademii Nauk %D 1977 %P 1249-1252 %V 232 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_232_6_a4/ %G ru %F DAN_1977_232_6_a4