The USSR Olympiad problem book selected problems and theorems of elementary mathematics
Shkliarskii, David Oskarovich 1918-1942,
The USSR Olympiad problem book : selected problems and theorems of elementary mathematics / D.O. Shklarsky, N.N. Chentzov, I.M. Yaglom ; translated by John Maykovich - 3 # ed / rev. and ed. by Irving Sussman - xvi, 452 páginas
0-486-27709-7
Matemáticas--Problemas, ejercicios, etc.
QA43 / S4513 1993
The USSR Olympiad problem book : selected problems and theorems of elementary mathematics / D.O. Shklarsky, N.N. Chentzov, I.M. Yaglom ; translated by John Maykovich - 3 # ed / rev. and ed. by Irving Sussman - xvi, 452 páginas
0-486-27709-7
Matemáticas--Problemas, ejercicios, etc.
QA43 / S4513 1993