00815nam0-22003011i-450-9900013320804033210-387-94289-0000133208FED01000133208(Aleph)000133208FED0100013320820000920d1994----km-y0itay50------baengUnsolved Problems in Number TheoryRichard K. Guy2nd ed.New YorkSpringer-Verlagc1994xvi, 285 p.ill.24 cmTeoria dei numeri512.7Guy,Richard K.47477ITUNINARICAUNIMARCBK990001332080403321C-56-(1-2ED12639MA1MA1Unsolved problems in number theory81813UNINAING01