- Author: Martin Gardner
- Language: English
- Year: 1986
- Author: Benoit B. Mandelbrot
- Language: English
- Year: 1982
- Author: Jerrold E. Marsden
- Language: English
- Year: 1974
- Author: Schmidt O.Yu.
- Language: English
- Year: 1966
- Author: Michael R. Garey David S. Johnson
- Language: English
- Year: 1979
- Author: Robert Nelson Smith
- Language: English
- Year: 1980
- Author: Robert L. Switzer Liam F. Garrity
- Language: English
- Year: 1999
- Author: David L. Nelson Michael M. Cox
- Language: English
- Year: 2004
- Author: Philip Nelson
- Language: English
- Year: 2007