%0 Journal Article
%A Yu. L. Ershov
%T Undecidability of the theories of symmetric and simple finite groups
%J Doklady Akademii Nauk
%D 1964
%P 777-779
%V 158
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_158_4_a5/
%G ru
%F DAN_1964_158_4_a5