Faires J. Douglas
The contest problem book VIII : American Mathematics Competitions (AMC 10), 2000-2007 - USA MAA 2008 - xv,212 p
9780883858257
QA43
The contest problem book VIII : American Mathematics Competitions (AMC 10), 2000-2007 - USA MAA 2008 - xv,212 p
9780883858257
QA43