100 great problems of elementary mathematics : their history and solution /
by Heinrich D�orrie translated by David Antin.
- New York : Dover Publications, [1965]
- x, 393 p. : ill.
"A new translation of the unabridged text of the fifth edition ... published by the Physica-Verlag, W�urzburg, Germany, in 1958 under the title Triumph der Mathematik: Hundert ber�uhmte Probleme aus zwei Jahrtausenden mathematischer Kultur."