%0 Journal Article
%A A. Khvedelidze
%A A. Torosyan
%T The spectrum and separability of mixed two-qubit $X$-states
%J Zapiski Nauchnykh Seminarov POMI
%D 2016
%P 270-285
%V 448
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_2016_448_a18/
%G en
%F ZNSL_2016_448_a18