Dui cheng
By: Duan Xuefu zhu
Series: Shu xue xiao cong shu -- 2; Shu xue xiao cong shu -- 2.
Publisher: Ren min jiao yu zhu ban she
Published: 1964
Place of publication: Beijing
Language: chi
Number of pages: 38
Subjects: Symetry; Symetric function