%0 Journal Article %A Barker, George Phillip %T On matrices having an invariant cone %J Czechoslovak Mathematical Journal %D 1972 %P 49-68 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1972.101076/ %R 10.21136/CMJ.1972.101076 %G en %F 10_21136_CMJ_1972_101076