Zhang, Y. (2011). Combinatorial problems in mathematical competitions. East china normal university.
シカゴスタイル引用形Zhang, Yao. Combinatorial Problems in Mathematical Competitions. Shanghai: East china normal university, 2011.
MLA引用形式Zhang, Yao. Combinatorial Problems in Mathematical Competitions. East china normal university, 2011.
警告: この引用は必ずしも正確ではありません.