貝斯金 ((Beskin, N. M.))

Overview

Works:	1 works in 1 publications in 1 languages

Titles

依給定的比分割線段 by: Beskin, N. M.; 王敬庚; 貝斯金 ((Beskin, N. M.)) (Language materials, printed) , [原著]

Subjects

比及比例