00977nam--2200349---450-99000325918020331620090529102746.0000325918USA01000325918(ALEPH)000325918USA0100032591820090529d1958----km-y0itay50------baengJPa---||||001yyOperational mathematicsRuel V. Churchillthird editionTokyoMcGraw Hill1958XII, 481 p.ill.21 cmInternational student edition2001International student editionCalcolo operatorio515.72CHURCHILL,Ruel V.447ITsalbcISBD990003259180203316515.72 CHU2828/CBS515.7200222004BKSCIRSIAV79020090529USA011027Operational mathematics34009UNISA