1
by Guy, Richard K.
Published 1981
Springer New York

2
by Guy, Richard K.
Published 2004
Springer New York

3
by Conway, John H., Guy, Richard K.
Published 1996
Springer New York

4
by Guy, Richard K.
Published 1994
Springer New York

5
by Conway, John H., Guy, Richard K.
Published 1997
Birkhäuser Basel