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 ISBN: 0-486-27709-7 Subjects--Topical Terms: Matemáticas--Problemas, ejercicios, etc. LC Class. No.: QA43 / S4513 1993