00974nam0-22003731i-450-99000799324040332120081028163305.03-540-21100-4000799324FED01000799324(Aleph)000799324FED0100079932420050127d2004----km-y0itay50------baengDEa---a---001yyGersgorin and his circlesR.S. VargaBerlinSpringerc2004x,226 p.24 cmSpringer series in computational mathematics36AutovaloriMatrici positive512.9421itaVarga,Richard S.13871ITUNINARICAUNIMARCBK990007993240403321C-54-(3620686MA1MA115A1815A4265F15Gersgorin and his circles751886UNINA