Andreescu, Titu, 1956- 102 combinatorial problems: from the training of the USA IMO team/ One hundred two combinatorial problems Titu Andreescu, Zuming Feng. - Boston: Birkhäuser, c2003. - xii, 115 p.: ill.; 24 cm. Includes bibliographical references (p. [113]-115). ISBN: 3764343176 (alk. paper) 0817643176 (pbk. : alk. paper) LCCN: 00202838 Subjects--Meeting Names: U.S.A. Mathematical Olympiad. Subjects--Topical Terms: Combinatorial analysis---Problems, exercises, etc. Dewey Class. No.: 511.6 / A5581o