Fomin, D., & Genkin, S. I. (1996). Mathematical circles: Russian experience. Universities Press.
Čikaški stil citiranjaFomin, Dmitri, i Sergey Itenberg Genkin. Mathematical Circles: Russian Experience. Hyderabad: Universities Press, 1996.
MLA način citiranjaFomin, Dmitri, i Sergey Itenberg Genkin. Mathematical Circles: Russian Experience. Universities Press, 1996.
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