From Erdös to Kiev : problems of Olympiad caliber
Ross Honsberger.
[Washington, DC] : Mathematical Association of America, ©1996.
xii, 257 págs. : ilustraciones ; 24 cm.
Serie: The Dolciani mathematical expositions ; no. 17
ISBN: 0883853248
Includes bibliographical references and index.
Reseña: MathSciNet, MR1372059