00339nam a2200121Ia 450000500170000000800410001702000190005803500090007710000350008624500460012126000290016765000210019620251022063911.0251022s9999||||xx |||||||||||||| ||und||  a978-8173711152  a2635  aDmitri Fomin, Genkin, Itenberg 0aMathematical Circles (Russian Experience)  bUniversities Pressc1996  aC-27:PhysicsMath