Shklarsky, D. O. 1918-1942.
The USSR olympiad problem book : selected problems and theorems of elementary mathematics / D. O. Shklarsky, N. N. Chentzov, I. M. Yaglom, revised and edited by Irving Sussman, translated by John Maykovich. - San Francisco : Freeman, 1962. - 452 p. : ill. - A Series of books in mathematics .
Translation of Izbrannye zadachi i teoremy �elementarno�i matematiki, ch. 1.
Mathematics--Problems, exercises, etc.
The USSR olympiad problem book : selected problems and theorems of elementary mathematics / D. O. Shklarsky, N. N. Chentzov, I. M. Yaglom, revised and edited by Irving Sussman, translated by John Maykovich. - San Francisco : Freeman, 1962. - 452 p. : ill. - A Series of books in mathematics .
Translation of Izbrannye zadachi i teoremy �elementarno�i matematiki, ch. 1.
Mathematics--Problems, exercises, etc.