00811nam0-22003131i-450-990000894630403321200010100-201-51507-5000089463FED01000089463(Aleph)000089463FED0100008946320001010d--------km-y0itay50------baitay-------001yyMathematicaA System for Doing Mathematics by Computer2 ed.New YorkAddison Wesley1993p.961ill.cm 23InformaticaWolfram,Stephen21237ITUNINARICAUNIMARCBK99000089463040332103 INF.0,14IINTCIINTCMathematica127262UNINAING01