Combinatorial problems in mathematical competitions /
Zhang, Yao.
Combinatorial problems in mathematical competitions / Yao Zhang - Singapore : World Scientific, c2011. - 289 p. ; 23 cm. - (Mathematical olympiad series). .
9789812839497
QA 303 / .Z63 2011
Combinatorial problems in mathematical competitions / Yao Zhang - Singapore : World Scientific, c2011. - 289 p. ; 23 cm. - (Mathematical olympiad series). .
9789812839497
QA 303 / .Z63 2011