%0 Journal Article %A D. O. Logofet %A N. B. Ul'yanov %T Necessary and sufficient conditions for sign stability of matrices %J Doklady Akademii Nauk %D 1982 %P 542-546 %V 264 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_264_3_a5/ %G ru %F DAN_1982_264_3_a5