%0 Journal Article
%A V. V. Ishkhanov
%T Positivity of the principal minors of a nonsingular $M$-matrix
%J Zapiski Nauchnykh Seminarov POMI
%D 1981
%P 88
%V 111
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1981_111_a4/
%G ru
%F ZNSL_1981_111_a4