Wasan izen
By: Ōya Shinʼichi cho
Series: Chūkō shinsho -- 577; Chūkō shinsho -- 577.
Publisher: Chūō Kōronsha
Published: 1980
Place of publication: Tōkyō
Language: jpn
Number of pages: 205
Subjects: Mathematics; History
Notes: Originally published in Shezen, Aug., 1977-June, 1978.