Shervatov, V.G. <br/><br/>
Hyperbolic Functions  : With Configuration Theorems and Equivalent and Equidecomposable Figures  
V.G. Shervatov; B.I Argunov and L.A. Skornyakov y V.G. Boltyanskii 
 - New York   Dover Publications  2007 
 - 83 P.   graf.  21.5 cm. 
<br/><br/>The Hyperbolic Rotation - Homothetic transformations - Strains - The hyperbola - The hyperbolic ratation - Properties of the hyperbola - Hyperbolic Functions - The unit hyperbola and its equation - Natural Logarithms - Logarithms and the hyperbola - Euler`s formulasÌ 
<br/><br/><label>ISBN: </label>0-486-45886-5 
<br/><br/><label>Dewey Class. No.: </label>517.36  / S553h