%0 Journal Article %A Lee, Gwang-Yeon %A Shader, Bryan L. %T Sign-consistency and solvability of constrained linear systems %J The electronic journal of linear algebra %D 1998 %P 1-18 %V 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_1998__4__a4/ %G en %F ELA_1998__4__a4