TY - JOUR AU - Cel, Jarosław TI - Some New Theorems on the Matrices that Arise in the Analysis of Networks JO - Acta Universitatis Lodziensis. Folia Mathematica PY - 1989 VL - 03 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AULFM_1989_03_a11/ LA - en ID - AULFM_1989_03_a11 ER -