C. F. Rydberg, Lärobok i plan trigonometri, Stockholm, P. A. Norstedt & Söner. 1906.
Journal title
Pedagogisk Tidskrift
Start page
33
End page
42
Collections
View/ Open
Date
1907Author
E. Gn.
Publication type
article, other
ISSN
0283-524X
Language
swe