000 00285nam a2200109Ia 4500
005 20260316114028.0
008 260316s9999||||xx |||||||||||||| ||und||
100 _aDmitri Fomin Genkin Itenberg
245 0 _aMathematical Circles (Russian Experience)
650 _aMathematics
942 _cBK
999 _c2715
_d2715