Zhang, Y. (2011). Combinatorial problems in mathematical competitions. East china normal university.
Style de citation ChicagoZhang, Yao. Combinatorial Problems in Mathematical Competitions. Shanghai: East china normal university, 2011.
Style de citation MLAZhang, Yao. Combinatorial Problems in Mathematical Competitions. East china normal university, 2011.
Attention : ces citations peuvent ne pas être correctes à 100%.