%0 Journal Article
%A S. S. Ryshkov
%A R. M. Erdahl
%T Dual systems of integral vectors (general questions and applications to the geometry of positive quadratic forms)
%J Sbornik. Mathematics
%D 1993
%P 541-554
%V 74
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1993_74_2_a14/
%G en
%F SM_1993_74_2_a14