%0 Journal Article
%A A. V. Efimov
%T A version of the Turan problem for positive definite functions of several variables
%J Trudy Instituta matematiki i mehaniki
%D 2011
%P 136-154
%V 17
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TIMM_2011_17_3_a14/
%G ru
%F TIMM_2011_17_3_a14