- Author: Klamkin Murray S
- Language: English
- Year: 1986
- Author: Greitzer Samuel L., Coxeter Harold S. M
- Language: English
- Year: 2008
- Author: Friedrichs K. O
- Language: English
- Year: 2014
- Author: Chinn William G., Steenrod Norman E
- Language: English
- Year: 1966
- Author: Chinn William G., Steenrod Norman E
- Language: English
- Year: 1966
- Author: Chang Gengzhe, Sederberg Thomas W
- Language: English
- Year: 1997
- Author: Chartier Tim
- Language: English
- Year: 2015
- Author: Benjamin Arthur, Bowden Leon, Pólya George
- Language: English
- Year: 2014
- Author: Andreescu Titu, Savchev Svetoslav
- Language: English
- Year: 2003
- Author: Roland van der Veen Jan van de Craats
- Language: English
- Year: 2017