USSR Olympiad problem book:selected problems and theorems of elementary mathematics
Shklarsky, D.O
USSR Olympiad problem book:selected problems and theorems of elementary mathematics D O Shklarsky, N N Chentzov, and I M Yaglom - New York Dover 1993 - xvi, 452p.
9780486277097
ELEMENTARY MATHEMATICS
OLYMPIAD PROBLEM
510 / SHK-U
USSR Olympiad problem book:selected problems and theorems of elementary mathematics D O Shklarsky, N N Chentzov, and I M Yaglom - New York Dover 1993 - xvi, 452p.
9780486277097
ELEMENTARY MATHEMATICS
OLYMPIAD PROBLEM
510 / SHK-U