Ramsay, Arlan and Richtmyer, Robert D. <br/><br/>
Introduction to hyperbolic geometry   

 - New York  Springer-Verlag  1995 
 - xii, 287p. Index 
 - Universitext .
<br/><br/> "Purchased under NBHM grant for the year 1994-1995"   
<br/><br/><label>Dewey Class. No.: </label>516  / R178.IH