Hyperbolic functions
by V. G. Shervatov, B. I. Argunov, L. A. Skornyakov, V. G. Boltyanskii
Exponential functionsGeometry, projectivePolygonsPolyhedraProjective Geometry
Writing a summary for young readers…
For young readers
Book data: Open Library
by V. G. Shervatov, B. I. Argunov, L. A. Skornyakov, V. G. Boltyanskii
Book data: Open Library