Mathematical olympiad challenges /
Andreescu, Titu. ,
Mathematical olympiad challenges / Titu Andreescu, Razvan Gelca ; foreword by Mark Saul. - 2nd ed. - vii, 283 pages : illustrations ; 24 cm.
9780817645281 0817645284
Mathematics --Problems, exercises, etc.
QA43 / .A524 2009
Mathematical olympiad challenges / Titu Andreescu, Razvan Gelca ; foreword by Mark Saul. - 2nd ed. - vii, 283 pages : illustrations ; 24 cm.
9780817645281 0817645284
Mathematics --Problems, exercises, etc.
QA43 / .A524 2009