00928nam--2200349---450-99000324135020331620090512083957.00-04-512018-8000324135USA01000324135(ALEPH)000324135USA0100032413520090512d1972----km-y0itay50------baengGB||||||||001yyComplex numbersJ. WilliamsLondonGeorge Allen & Unwin ltd.197288 p.22 cmProblem solvers62001Problem solversTeoria dei numeri512.7WILLIAMS,J.604093ITsalbcISBD990003241350203316512.7 WIL6034/CBS512.700220110BKSCIRSIAV69020090512USA010839Complex numbers1012590UNISA