
1 - Challenging mathematical problems with elementary solutions. Volume I : Combinatorial analysis and probability theory |
2 - Challenging mathematical problems with elementary solutions. Volume II |
3 - Elements of general topology |
4 - Elements of modern algebra |
5 - Elements of real analysis |
6 - Homology theory : a first course in algebraic topology |
7 - Introduction to general topology |
8 - Introduction to homological algebra |
9 - Set theory for the mathematician |