00731nam0-22002891i-450-99000089304040332120001010000089304FED01000089304(Aleph)000089304FED0100008930420001010d--------km-y0itay50------baitay-------001yySparse MatricesNew YorkAcademic press1973.p.159ill.cm 20MatematicaTewarson,Reginald P.43625ITUNINARICAUNIMARCBK99000089304040332103 M.0,2262899IINTCIINTCSparse Matrices339875UNINAING01