1
by Andreescu, Titu, Feng, Zuming
Published 2004
Birkhäuser Boston

2
by Andreescu, Titu, Feng, Zuming
Published 2003
Birkhäuser Boston

3
by Andreescu, Titu, Feng, Zuming
Published 2005
Birkhäuser Boston

4
by Andreescu, Titu, Andrica, Dorin, Feng, Zuming
Published 2007
Birkhäuser Boston