%0 Journal Article
%A K. S. Matviichuk
%T Reduced density matrices with nonzero boundary conditions in the case of a~hard core
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1974
%P 410-426
%V 18
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1974_18_3_a12/
%G ru
%F TMF_1974_18_3_a12