%0 Journal Article
%A N. N. Vakhania
%T Elementary proof of Pólya's characterization theorem and of the necessity of second moment in the CLT
%J Teoriâ veroâtnostej i ee primeneniâ
%D 1993
%P 168-171
%V 38
%N 1
%U http://geodesic.mathdoc.fr/item/TVP_1993_38_1_a10/
%G ru
%F TVP_1993_38_1_a10