Mathematical Circles: Russian Experience
Dmitri Fomin, Sergey Genkin, Ilia V. Itenberg, quot;Mathematical Circles: Russian Experiencequot; American Mathematical Society | 1996 | ISBN: 0821804308, 8173711151 | 272 pages | Djvu | 1,9 mb quot;This is a sample of rich Russian mathematical culture written by professional mathematicians with great experience in working with high school students Problems are on very simple …