Guy, Richard K.

Unsolved problems in number theory / by: Guy, Richard K. (書目-語言資料,印刷品)

The book of numbers / by: Guy, Richard K.; Conway, John Horton. (書目-語言資料,印刷品)

Winning ways for your mathematical plays / by: Conway, John Horton.; Guy, Richard K.; Berlekamp, Elwyn R. (書目-語言資料,印刷品)

Unsolved problems in number theory / by: Guy, Richard K.; Guy, Richard K. (書目-語言資料,印刷品)