%0 Journal Article
%A A. H. Lachlan
%T Two theorems on many-one degrees of recursively enumerable sets
%J Algebra i logika
%D 1972
%P 216-229
%V 11
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1972_11_2_a7/
%G en
%F AL_1972_11_2_a7