%0 Journal Article %A Cel, Jarosław %T Some New Theorems on the Matrices that Arise in the Analysis of Networks %J Acta Universitatis Lodziensis. Folia Mathematica %D 1989 %V 03 %I mathdoc %U http://geodesic.mathdoc.fr/item/AULFM_1989_03_a11/ %G en %F AULFM_1989_03_a11