### Problem books in mathematics

### 11 réponses.

**Guy, Richard K.**
Unsolved problems in number theory. 3rd edition.
- Springer Verlag, 2004.
- (Problem books in mathematics).

**Capinski, Marek & Zastawniak, T.**
Probability through problems.
- Springer Verlag, 2001.
- (Problem books in mathematics).

**Souza, Paulo Ney (de) & Silva, Jorge Nuno**
Berkeley problems in mathematics.
- Springer Verlag, 1998.
- (Problem books in mathematics).

**Lam, T.Y.**
Exercices in classical ring theory.
- Springer Verlag, 1995.
- (Problem books in mathematics).

**Croft, Hallard T. & Falconer, Kenneth J. & Guy, Richard K.**
Unsolved problems in geometry. Unsolved problems in intuitive mathematics, Volume 2. Second corrected printing.
- Springer Verlag, 1994.
- (Problem books in mathematics).

**Guy, Richard K.**
Unsolved problems in number theory. 2nd edition.
- Springer Verlag, 1994.
- (Problem books in mathematics).

**Croft, Hallard T. & Falconer, Kenneth J. & Guy, Richard K.**
Unsolved problems in geometry. (Unsolved problems in intuitive mathematics, Volume 2).
- Springer Verlag, 1991.
- (Problem books in mathematics).

**Croft, Hallard T. & Falconer, Kenneth J. & Guy, Richard K.**
Unsolved problems in geometry. (Unsolved problems in intuitive mathematics, Volume 2).
- Springer Verlag, 1991.
- (Problem books in mathematics).

**Gelbaum, Bernard R. & Olmsted, John M.H.**
Theorems and counterexamples in mathematics.
- Springer Verlag, 1990.
- (Problem books in mathematics).

**Berger, M. & Pansu, P. & Berry, J.P. & Saint-Raymond, X.**
Problems in geometry.
- Springer Verlag, 1984.
- (Problem books in mathematics).

**Guy, Richard K.**
Unsolved problems in number theory.
- Springer Verlag, 1981.
- (Problem books in mathematics; **1**).