Sergey Dorichenko ; translated by Tatiana Shubin ; translation edited by David Scott and Silvio Levy..A Moscow math circle : week-by-week problem sets /.Mathematical Sciences Research Institute ;,2012..
A Moscow math circle : week-by-week problem sets /
Sergey Dorichenko ; translated by Tatiana Shubin ; translation edited by David Scott and Silvio Levy..Mathematical Sciences Research Institute ;,2012..