%0 Journal Article
%A Yu. G. Penzin
%T Undecidability of fields of rational functions over fields of
%J Algebra i logika
%D 1973
%P 205-210
%V 12
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1973_12_2_a5/
%G ru
%F AL_1973_12_2_a5