Bonola, Roberto <br/><br/>
Non-euclidean geometry; a critical and historical study of its development  / 

 - New York:  Dover,  1955 
 - v. p. 
<br/><br/> English Translation with additional appendices by H. S. Carslaw with an introduction by Federigo Enriques 
<br/><br/><label>Dewey Class. No.: </label>516  / B719.NE