00947nam0-22003611i-450-99000792629040332120051118104055.00-387-20860-7000792629FED01000792629(Aleph)000792629FED0100079262920041002d2004----km-y0itay50------baengUSa---a---001yyUnsolved Problems in number theoryR.K.Guy3rd edit.New YorkSpringerc2004xviii,437 p.24 cmProblem books in mathematicsTeoria dei numeri512.722Guy,Richard K.47477ITUNINARICAUNIMARCBK990007926290403321C-56-(1-3ED20640MA1MA111-0100A07Unsolved problems in number theory81813UNINA