"Short description: In Russian. Shtaerman, Ilya Yakovlevich. Hyperbolic Functions. Moscow; Leningrad: United Scientific and Technical Publishing House of the NKTP USSR. Chief Editor of General Engineering Letters and Nomography, 1935. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU5317647"