- Author: Titu Andreescu Dorin Andrica (auth.)
- Language: English
- Year: 2015
- Author: Titu Andreescu (auth.)
- Language: English
- Year: 2014
- Author: Titu Andreescu, Zuming Feng, Mathematical Association of America
- Language: English
- Year: 2005
- Author: Titu Andreescu Dorin Andrica
- Language: English
- Year: 2003
- Author: Titu Andreescu Zuming Feng
- Language: English
- Year: 2001
- Author: Titu Andreescu Zuming Feng
- Language: English
- Year: 2004
- Author: Titu Andreescu Zuming Feng Po-Shen Loh
- Language: English
- Year: 2005
- Author: Titu Andreescu Zuming Feng
- Language: English
- Year: 2004
- Author: Titu Andreescu, D Andrica, Zuming Feng
- Language: English
- Year: 2007
- Author: Teodora-Liliana Radulescu Vicentiu D. Radulescu Titu Andreescu (auth.)
- Language: English
- Year: 2009