01024nam 2200361 45009900007310602033160-387-94289-00073106USA010073106(ALEPH)000073106USA01007310620011112d1994----km-y0ENGy0103----baengUSUnsolved problems in number theoryRichard K. Guy2 ed.New YorkSpringerc1994XVI, 285 p.24 cmProblem books in mathematics12001Problem books in mathematics1Teoria dei numeri512.7GUY,Richard K.47477ITsalbcISBD990000731060203316512.7 GUY10762 ING512.7BKTECPATTY9020011112USA01122720020403USA011721PATRY9020040406USA011650Unsolved problems in number theory81813UNISA