1 - The USSR Olympiad problem book. Selected problems and theorems of elementary mathematics
Shklarsky, D. O.   /   Maykovich, John (Trad.)   /   Yaglom, Akiva Moiseevich (1921-2007)    /   Chentzov, Nikolaj Nikolaevich   /   Sussman, Irving (Ed.)

Cote : [02.3 SHK 62]