%0 Journal Article %A Schwarz, Štefan %T New kinds of theorems on non-negative matrices %J Czechoslovak Mathematical Journal %D 1966 %P 285-295 %V 16 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1966.100730/ %R 10.21136/CMJ.1966.100730 %G en %F 10_21136_CMJ_1966_100730