00439nam a2200145Ia 4500008004100000041000800041082003700049100001800086100001900104100001900123245009600142260002900238300001000267650001600277060110s9999    xx            000 0 und d  aeng  a516.15bFOM/M            aFOMIN, Dmitri  aGENKIN, Sergey  aITENBERG, Ilia  aMathematical circles (russian experience)cBy Dmitri Fomin, Sergey Genkin and Ilia Itenberg  bUniversities Pressc1998  a272p.  aMathematics