TY  - BOOK
AU  - Fomin,Dmitri
AU  - Genkin,Sergey
AU  - Itenberg,Ilia
TI  - Mathematical circles: (Russian experience) 
T2  - Mathematical world,
SN  - 9788173711152 (Pbk)
U1  - 510.76 F73M 23
PY  - 2022///
CY  - Providence, R.I
PB  - American Mathematical Society
KW  - Mathematical recreations
N1  - On Russian ed., Genkin's name appears first on t.p; Includes bibliographical references (p. 269-272)
ER  -