%0 Journal Article
%A N. K. Vereshchagin
%T Relativizable and nonrelativizable theorems in the polynomial theory of algorithms
%J Izvestiya. Mathematics 
%D 1994
%P 261-298
%V 42
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1994_42_2_a1/
%G en
%F IM2_1994_42_2_a1